./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strspn.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-dietlibc/strspn.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 d2c6859ca90ff0da205f4fa2f88d8f61c0c2d9f9f437471b81ea8abc3f9fd19e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:03:55,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:03:55,463 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-06 19:03:55,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:03:55,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:03:55,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:03:55,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:03:55,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:03:55,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:03:55,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:03:55,499 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:03:55,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:03:55,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:03:55,499 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:03:55,499 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:03:55,499 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:03:55,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:03:55,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:03:55,501 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:03:55,501 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:03:55,501 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:03:55,501 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:03:55,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:03:55,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:03:55,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:03:55,501 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:03:55,503 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 -> d2c6859ca90ff0da205f4fa2f88d8f61c0c2d9f9f437471b81ea8abc3f9fd19e [2025-02-06 19:03:55,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:03:55,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:03:55,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:03:55,797 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:03:55,797 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:03:55,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strspn.i [2025-02-06 19:03:56,997 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a45fc069f/a2a27462ac7d46f582a172c1e27897d8/FLAG77d6ba100 [2025-02-06 19:03:57,305 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:03:57,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strspn.i [2025-02-06 19:03:57,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a45fc069f/a2a27462ac7d46f582a172c1e27897d8/FLAG77d6ba100 [2025-02-06 19:03:57,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a45fc069f/a2a27462ac7d46f582a172c1e27897d8 [2025-02-06 19:03:57,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:03:57,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:03:57,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:03:57,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:03:57,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:03:57,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:57,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122c5c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57, skipping insertion in model container [2025-02-06 19:03:57,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:57,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:03:57,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:03:57,887 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:03:57,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:03:57,961 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:03:57,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57 WrapperNode [2025-02-06 19:03:57,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:03:57,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:03:57,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:03:57,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:03:57,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:57,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:57,996 INFO L138 Inliner]: procedures = 113, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2025-02-06 19:03:57,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:03:57,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:03:57,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:03:57,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:03:58,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,020 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]. [2025-02-06 19:03:58,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:03:58,033 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:03:58,033 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:03:58,033 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:03:58,034 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (1/1) ... [2025-02-06 19:03:58,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:03:58,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:03:58,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:03:58,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:03:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 19:03:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 19:03:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 19:03:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 19:03:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 19:03:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 19:03:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:03:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:03:58,155 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:03:58,157 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:03:58,301 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L528: havoc main_#t~ret15#1;call ULTIMATE.dealloc(main_#t~malloc12#1.base, main_#t~malloc12#1.offset);havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call ULTIMATE.dealloc(main_#t~malloc14#1.base, main_#t~malloc14#1.offset);havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; [2025-02-06 19:03:58,315 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2025-02-06 19:03:58,315 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:03:58,323 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:03:58,323 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:03:58,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:03:58 BoogieIcfgContainer [2025-02-06 19:03:58,324 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:03:58,324 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:03:58,324 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:03:58,329 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:03:58,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:03:58,330 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:03:57" (1/3) ... [2025-02-06 19:03:58,331 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24d1c623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:03:58, skipping insertion in model container [2025-02-06 19:03:58,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:03:58,332 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:03:57" (2/3) ... [2025-02-06 19:03:58,332 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24d1c623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:03:58, skipping insertion in model container [2025-02-06 19:03:58,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:03:58,332 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:03:58" (3/3) ... [2025-02-06 19:03:58,334 INFO L363 chiAutomizerObserver]: Analyzing ICFG strspn.i [2025-02-06 19:03:58,371 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:03:58,371 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:03:58,371 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:03:58,371 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:03:58,371 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:03:58,371 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:03:58,372 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:03:58,372 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:03:58,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) 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) [2025-02-06 19:03:58,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:03:58,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:03:58,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:03:58,390 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:03:58,390 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-06 19:03:58,390 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:03:58,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) 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) [2025-02-06 19:03:58,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:03:58,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:03:58,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:03:58,392 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:03:58,392 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-06 19:03:58,395 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~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" [2025-02-06 19:03:58,395 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" "assume !true;" "call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);" "assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset;" [2025-02-06 19:03:58,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:03:58,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2030715, now seen corresponding path program 1 times [2025-02-06 19:03:58,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:03:58,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661109172] [2025-02-06 19:03:58,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:03:58,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:03:58,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:03:58,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:03:58,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:58,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:58,498 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:03:58,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:03:58,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:03:58,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:58,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:58,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:03:58,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:03:58,540 INFO L85 PathProgramCache]: Analyzing trace with hash 50543153, now seen corresponding path program 1 times [2025-02-06 19:03:58,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:03:58,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291556498] [2025-02-06 19:03:58,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:03:58,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:03:58,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:03:58,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:03:58,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:58,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:03:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:03:58,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:03:58,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291556498] [2025-02-06 19:03:58,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291556498] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:03:58,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:03:58,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:03:58,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63372152] [2025-02-06 19:03:58,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:03:58,583 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:03:58,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:03:58,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 19:03:58,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 19:03:58,607 INFO L87 Difference]: Start difference. First operand has 16 states, 15 states have (on average 1.5333333333333334) 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) 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) [2025-02-06 19:03:58,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:03:58,612 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-02-06 19:03:58,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2025-02-06 19:03:58,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:03:58,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 11 states and 13 transitions. [2025-02-06 19:03:58,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-02-06 19:03:58,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-02-06 19:03:58,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2025-02-06 19:03:58,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:03:58,624 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-02-06 19:03:58,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2025-02-06 19:03:58,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-02-06 19:03:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 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) [2025-02-06 19:03:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2025-02-06 19:03:58,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-02-06 19:03:58,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 19:03:58,643 INFO L432 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-02-06 19:03:58,643 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:03:58,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2025-02-06 19:03:58,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:03:58,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:03:58,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:03:58,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:03:58,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:03:58,644 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~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" [2025-02-06 19:03:58,644 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume !strspn_#t~short6#1;" "assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;" "call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);" "assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset;" [2025-02-06 19:03:58,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:03:58,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2030715, now seen corresponding path program 2 times [2025-02-06 19:03:58,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:03:58,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655869806] [2025-02-06 19:03:58,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:03:58,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:03:58,665 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:03:58,683 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:03:58,686 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:03:58,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:58,687 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:03:58,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:03:58,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:03:58,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:58,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:58,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:03:58,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:03:58,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1326589165, now seen corresponding path program 1 times [2025-02-06 19:03:58,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:03:58,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729090136] [2025-02-06 19:03:58,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:03:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:03:58,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:03:58,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:03:58,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:58,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:03:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:03:58,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:03:58,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729090136] [2025-02-06 19:03:58,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729090136] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:03:58,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:03:58,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:03:58,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340787827] [2025-02-06 19:03:58,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:03:58,829 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:03:58,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:03:58,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:03:58,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:03:58,830 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. cyclomatic complexity: 3 Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:03:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:03:58,864 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2025-02-06 19:03:58,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2025-02-06 19:03:58,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2025-02-06 19:03:58,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 14 transitions. [2025-02-06 19:03:58,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-02-06 19:03:58,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-02-06 19:03:58,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14 transitions. [2025-02-06 19:03:58,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:03:58,866 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2025-02-06 19:03:58,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 14 transitions. [2025-02-06 19:03:58,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-02-06 19:03:58,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:03:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2025-02-06 19:03:58,867 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2025-02-06 19:03:58,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:03:58,868 INFO L432 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2025-02-06 19:03:58,868 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:03:58,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2025-02-06 19:03:58,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2025-02-06 19:03:58,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:03:58,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:03:58,869 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:03:58,869 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:03:58,869 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~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" [2025-02-06 19:03:58,869 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1;" "assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;" "call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);" "assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset;" [2025-02-06 19:03:58,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:03:58,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2030715, now seen corresponding path program 3 times [2025-02-06 19:03:58,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:03:58,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976282769] [2025-02-06 19:03:58,870 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:03:58,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:03:58,882 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:03:58,900 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:03:58,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:03:58,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:58,901 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:03:58,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:03:58,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:03:58,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:58,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:58,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:03:58,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:03:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1326559374, now seen corresponding path program 1 times [2025-02-06 19:03:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:03:58,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676924933] [2025-02-06 19:03:58,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:03:58,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:03:58,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:03:58,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:03:58,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:58,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:58,935 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:03:58,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:03:58,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:03:58,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:58,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:58,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:03:58,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:03:58,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1162963244, now seen corresponding path program 1 times [2025-02-06 19:03:58,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:03:58,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362533784] [2025-02-06 19:03:58,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:03:58,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:03:58,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 19:03:59,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 19:03:59,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:59,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:59,015 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:03:59,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 19:03:59,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 19:03:59,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:03:59,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:03:59,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:03:59,943 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:03:59,944 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:03:59,944 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:03:59,944 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:03:59,944 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:03:59,945 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:03:59,945 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:03:59,945 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:03:59,945 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration3_Lasso [2025-02-06 19:03:59,945 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:03:59,945 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:03:59,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:03:59,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:00,631 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:04:00,635 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:04:00,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-06 19:04:00,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,667 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,673 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 [2025-02-06 19:04:00,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-06 19:04:00,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,693 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-06 19:04:00,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-06 19:04:00,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,717 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-06 19:04:00,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,726 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-06 19:04:00,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:00,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,752 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-06 19:04:00,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:00,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-06 19:04:00,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,788 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,794 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 [2025-02-06 19:04:00,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,796 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-06 19:04:00,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:00,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:00,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-06 19:04:00,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,826 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-06 19:04:00,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:00,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,854 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-06 19:04:00,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,874 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-06 19:04:00,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,884 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-06 19:04:00,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,903 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-06 19:04:00,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,918 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-06 19:04:00,922 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 [2025-02-06 19:04:00,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,941 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:00,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,950 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-06 19:04:00,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:00,972 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:00,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:00,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:00,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:00,982 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:00,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-06 19:04:00,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:00,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:00,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:00,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:00,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:00,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:00,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:00,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,000 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:01,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,010 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:01,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-06 19:04:01,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:01,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,043 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) [2025-02-06 19:04:01,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,048 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 [2025-02-06 19:04:01,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:01,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,073 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) [2025-02-06 19:04:01,076 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 [2025-02-06 19:04:01,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,099 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 [2025-02-06 19:04:01,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,101 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) [2025-02-06 19:04:01,103 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 [2025-02-06 19:04:01,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:01,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,127 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) [2025-02-06 19:04:01,129 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 [2025-02-06 19:04:01,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,144 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,149 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 [2025-02-06 19:04:01,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,151 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) [2025-02-06 19:04:01,153 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 [2025-02-06 19:04:01,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-02-06 19:04:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,174 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) [2025-02-06 19:04:01,176 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 [2025-02-06 19:04:01,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-06 19:04:01,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,205 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) [2025-02-06 19:04:01,207 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 [2025-02-06 19:04:01,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,220 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:01,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,227 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) [2025-02-06 19:04:01,228 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 [2025-02-06 19:04:01,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,240 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,246 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 [2025-02-06 19:04:01,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,247 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) [2025-02-06 19:04:01,248 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 [2025-02-06 19:04:01,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,268 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 [2025-02-06 19:04:01,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,271 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) [2025-02-06 19:04:01,272 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 [2025-02-06 19:04:01,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,287 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:01,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,294 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) [2025-02-06 19:04:01,295 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 [2025-02-06 19:04:01,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,309 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-02-06 19:04:01,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,317 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) [2025-02-06 19:04:01,318 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 [2025-02-06 19:04:01,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:01,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-06 19:04:01,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,339 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) [2025-02-06 19:04:01,340 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 [2025-02-06 19:04:01,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:01,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:01,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-06 19:04:01,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,371 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) [2025-02-06 19:04:01,373 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 [2025-02-06 19:04:01,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:01,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:01,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-06 19:04:01,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,411 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) [2025-02-06 19:04:01,412 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 [2025-02-06 19:04:01,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:01,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:01,438 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,446 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 [2025-02-06 19:04:01,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,449 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) [2025-02-06 19:04:01,451 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 [2025-02-06 19:04:01,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:01,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:01,471 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:01,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,481 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) [2025-02-06 19:04:01,484 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 [2025-02-06 19:04:01,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:01,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,496 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 19:04:01,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,497 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-06 19:04:01,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:01,500 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:01,507 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 [2025-02-06 19:04:01,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,510 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) [2025-02-06 19:04:01,512 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 [2025-02-06 19:04:01,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:01,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:01,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:01,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:01,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:01,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:01,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:01,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:04:01,582 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2025-02-06 19:04:01,584 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-02-06 19:04:01,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:01,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:01,590 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) [2025-02-06 19:04:01,591 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 [2025-02-06 19:04:01,592 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:04:01,608 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:04:01,609 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:04:01,609 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1) = -1*ULTIMATE.start_strspn_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1 Supporting invariants [] [2025-02-06 19:04:01,617 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 [2025-02-06 19:04:01,655 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2025-02-06 19:04:01,663 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:04:01,664 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:04:01,665 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2025-02-06 19:04:01,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:01,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:04:01,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:04:01,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:01,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:01,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:04:01,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:01,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:04:01,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:04:01,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:01,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:01,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:04:01,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:04:01,833 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-06 19:04:01,834 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2025-02-06 19:04:01,899 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 20 states and 25 transitions. Complement of second has 5 states. [2025-02-06 19:04:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:04:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2025-02-06 19:04:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2025-02-06 19:04:01,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 7 letters. [2025-02-06 19:04:01,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:01,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 7 letters. [2025-02-06 19:04:01,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:01,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 14 letters. [2025-02-06 19:04:01,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:01,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2025-02-06 19:04:01,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-06 19:04:01,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 23 transitions. [2025-02-06 19:04:01,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-02-06 19:04:01,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-02-06 19:04:01,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2025-02-06 19:04:01,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:04:01,923 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2025-02-06 19:04:01,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2025-02-06 19:04:01,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2025-02-06 19:04:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 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) [2025-02-06 19:04:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2025-02-06 19:04:01,925 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2025-02-06 19:04:01,925 INFO L432 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2025-02-06 19:04:01,925 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:04:01,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2025-02-06 19:04:01,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:04:01,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:04:01,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:04:01,926 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-06 19:04:01,926 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:04:01,927 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~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" [2025-02-06 19:04:01,927 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume !strspn_#t~short6#1;" "assume strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset;" [2025-02-06 19:04:01,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:01,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1951517850, now seen corresponding path program 1 times [2025-02-06 19:04:01,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:04:01,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943461809] [2025-02-06 19:04:01,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:04:01,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:04:01,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:04:01,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:04:01,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:01,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:01,945 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:04:01,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:04:01,951 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 [2025-02-06 19:04:01,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:04:01,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:01,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:01,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:04:01,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:01,960 INFO L85 PathProgramCache]: Analyzing trace with hash 46638, now seen corresponding path program 1 times [2025-02-06 19:04:01,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:04:01,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435158047] [2025-02-06 19:04:01,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:04:01,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:04:01,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:01,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:01,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:01,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:04:01,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:04:01,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435158047] [2025-02-06 19:04:01,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435158047] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:04:01,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:04:01,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:04:01,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433780957] [2025-02-06 19:04:01,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:04:01,971 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:04:01,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:04:01,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:04:01,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:04:01,972 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:04:01,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:04:01,982 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2025-02-06 19:04:01,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2025-02-06 19:04:01,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:04:01,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 19 transitions. [2025-02-06 19:04:01,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-02-06 19:04:01,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-02-06 19:04:01,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2025-02-06 19:04:01,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:04:01,983 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2025-02-06 19:04:01,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2025-02-06 19:04:01,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-02-06 19:04:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:04:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2025-02-06 19:04:01,984 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2025-02-06 19:04:01,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:04:01,986 INFO L432 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2025-02-06 19:04:01,986 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 19:04:01,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2025-02-06 19:04:01,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:04:01,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:04:01,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:04:01,987 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-06 19:04:01,987 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:04:01,987 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~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" [2025-02-06 19:04:01,987 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1;" "assume strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset;" [2025-02-06 19:04:01,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:01,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1951517850, now seen corresponding path program 2 times [2025-02-06 19:04:01,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:04:01,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361780110] [2025-02-06 19:04:01,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:04:01,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:04:01,997 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:04:02,011 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:04:02,012 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:04:02,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:02,012 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:04:02,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:04:02,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:04:02,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:02,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:02,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:04:02,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash 46607, now seen corresponding path program 1 times [2025-02-06 19:04:02,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:04:02,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514259811] [2025-02-06 19:04:02,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:04:02,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:04:02,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:02,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:02,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:02,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:02,037 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:04:02,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:02,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:02,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:02,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:02,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:04:02,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:02,046 INFO L85 PathProgramCache]: Analyzing trace with hash 990967510, now seen corresponding path program 1 times [2025-02-06 19:04:02,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:04:02,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910339162] [2025-02-06 19:04:02,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:04:02,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:04:02,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 19:04:02,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 19:04:02,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:02,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:02,063 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:04:02,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 19:04:02,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 19:04:02,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:02,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:02,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:04:02,896 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:04:02,896 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:04:02,896 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:04:02,896 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:04:02,897 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:04:02,897 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:02,897 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:04:02,897 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:04:02,897 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration5_Lasso [2025-02-06 19:04:02,897 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:04:02,897 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:04:02,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:02,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:02,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:02,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:03,515 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:04:03,515 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:04:03,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:03,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:03,519 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) [2025-02-06 19:04:03,521 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 [2025-02-06 19:04:03,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:03,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:03,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:03,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:03,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:03,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:03,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:03,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:03,535 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:03,540 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 [2025-02-06 19:04:03,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:03,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:03,542 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) [2025-02-06 19:04:03,543 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 [2025-02-06 19:04:03,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:03,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:03,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:03,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:03,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:03,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:03,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:03,559 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:03,567 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 [2025-02-06 19:04:03,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:03,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:03,570 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) [2025-02-06 19:04:03,572 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 [2025-02-06 19:04:03,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:03,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:03,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:03,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:03,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:03,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:03,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:03,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:03,590 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:03,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2025-02-06 19:04:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:03,598 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) [2025-02-06 19:04:03,599 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 [2025-02-06 19:04:03,600 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 [2025-02-06 19:04:03,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:03,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:03,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:03,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:03,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:03,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:03,623 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:04:03,634 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2025-02-06 19:04:03,634 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-02-06 19:04:03,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:03,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:03,637 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) [2025-02-06 19:04:03,640 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 [2025-02-06 19:04:03,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:04:03,652 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-06 19:04:03,652 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:04:03,653 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~a~0#1.offset) = -2*ULTIMATE.start_strspn_~a~0#1.offset + 36893488147419103229 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2 + 18446744073709551615 >= 0] [2025-02-06 19:04:03,659 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 [2025-02-06 19:04:03,694 INFO L156 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2025-02-06 19:04:03,700 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!offset [2025-02-06 19:04:03,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:03,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:04:03,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:04:03,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:03,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:03,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 19:04:03,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:03,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-02-06 19:04:03,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:03,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:03,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:03,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:03,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:04:03,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:03,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:04:03,881 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-06 19:04:03,882 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2025-02-06 19:04:03,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 36 transitions. Complement of second has 6 states. [2025-02-06 19:04:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:04:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2025-02-06 19:04:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2025-02-06 19:04:03,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-06 19:04:03,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:03,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 3 letters. [2025-02-06 19:04:03,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:03,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 6 letters. [2025-02-06 19:04:03,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:03,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2025-02-06 19:04:03,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:04:03,946 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 26 transitions. [2025-02-06 19:04:03,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-02-06 19:04:03,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-02-06 19:04:03,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2025-02-06 19:04:03,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:04:03,947 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2025-02-06 19:04:03,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2025-02-06 19:04:03,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2025-02-06 19:04:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:04:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2025-02-06 19:04:03,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2025-02-06 19:04:03,948 INFO L432 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2025-02-06 19:04:03,948 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-06 19:04:03,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2025-02-06 19:04:03,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:04:03,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:04:03,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:04:03,949 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:04:03,949 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:04:03,949 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~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1;" "assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;" "call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);" "assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset;" "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" [2025-02-06 19:04:03,949 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1;" "assume strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset;" [2025-02-06 19:04:03,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:03,953 INFO L85 PathProgramCache]: Analyzing trace with hash -916179789, now seen corresponding path program 2 times [2025-02-06 19:04:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:04:03,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623343916] [2025-02-06 19:04:03,954 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:04:03,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:04:03,965 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 2 equivalence classes. [2025-02-06 19:04:03,986 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:04:03,986 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:04:03,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:03,987 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:04:03,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:04:04,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:04:04,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:04,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:04,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:04:04,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:04,012 INFO L85 PathProgramCache]: Analyzing trace with hash 46607, now seen corresponding path program 2 times [2025-02-06 19:04:04,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:04:04,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894867734] [2025-02-06 19:04:04,012 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:04:04,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:04:04,016 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:04,019 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:04,019 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:04:04,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:04,019 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:04:04,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:04,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:04,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:04,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:04,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:04:04,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:04,027 INFO L85 PathProgramCache]: Analyzing trace with hash 605088797, now seen corresponding path program 1 times [2025-02-06 19:04:04,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:04:04,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187676759] [2025-02-06 19:04:04,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:04:04,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:04:04,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:04:04,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:04:04,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:04,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:04,051 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:04:04,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:04:04,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:04:04,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:04,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:04:04,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:04:05,113 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:04:05,113 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:04:05,113 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:04:05,113 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:04:05,113 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:04:05,113 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,113 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:04:05,113 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:04:05,113 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration6_Lasso [2025-02-06 19:04:05,113 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:04:05,114 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:04:05,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:05,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:04:05,788 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:04:05,788 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:04:05,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,791 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) [2025-02-06 19:04:05,794 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 [2025-02-06 19:04:05,797 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 [2025-02-06 19:04:05,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:05,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:05,811 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,816 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 [2025-02-06 19:04:05,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,818 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) [2025-02-06 19:04:05,820 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 [2025-02-06 19:04:05,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:05,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:05,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:05,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:05,836 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2025-02-06 19:04:05,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,843 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) [2025-02-06 19:04:05,844 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 [2025-02-06 19:04:05,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:05,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:05,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:05,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:05,859 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,865 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 [2025-02-06 19:04:05,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,867 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) [2025-02-06 19:04:05,868 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 [2025-02-06 19:04:05,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:05,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:05,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:05,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:05,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-02-06 19:04:05,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,890 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) [2025-02-06 19:04:05,893 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 [2025-02-06 19:04:05,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:05,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:05,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:05,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:05,907 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-02-06 19:04:05,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,913 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) [2025-02-06 19:04:05,914 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 [2025-02-06 19:04:05,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:05,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:05,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:05,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:05,927 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,932 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 [2025-02-06 19:04:05,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,934 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) [2025-02-06 19:04:05,935 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 [2025-02-06 19:04:05,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:05,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:05,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:05,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:05,950 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,956 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 [2025-02-06 19:04:05,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,958 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) [2025-02-06 19:04:05,959 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 [2025-02-06 19:04:05,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:05,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:05,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:05,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:05,971 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2025-02-06 19:04:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:05,978 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) [2025-02-06 19:04:05,979 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 [2025-02-06 19:04:05,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:05,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:05,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:05,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:05,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:05,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:05,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:05,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:05,992 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:05,998 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 [2025-02-06 19:04:05,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:05,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,000 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) [2025-02-06 19:04:06,001 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 [2025-02-06 19:04:06,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2025-02-06 19:04:06,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,019 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) [2025-02-06 19:04:06,020 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 [2025-02-06 19:04:06,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-02-06 19:04:06,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,039 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) [2025-02-06 19:04:06,040 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 [2025-02-06 19:04:06,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,052 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:06,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,059 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) [2025-02-06 19:04:06,060 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 [2025-02-06 19:04:06,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,078 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 [2025-02-06 19:04:06,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,080 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) [2025-02-06 19:04:06,081 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 [2025-02-06 19:04:06,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,098 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 [2025-02-06 19:04:06,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,099 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) [2025-02-06 19:04:06,100 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 [2025-02-06 19:04:06,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,119 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 [2025-02-06 19:04:06,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,121 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) [2025-02-06 19:04:06,122 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 [2025-02-06 19:04:06,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,133 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,138 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 [2025-02-06 19:04:06,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,140 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) [2025-02-06 19:04:06,141 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 [2025-02-06 19:04:06,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,157 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 [2025-02-06 19:04:06,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,159 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:06,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-02-06 19:04:06,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2025-02-06 19:04:06,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,182 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:06,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-02-06 19:04:06,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:04:06,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:04:06,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:04:06,194 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2025-02-06 19:04:06,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,201 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:06,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-02-06 19:04:06,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:06,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:06,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2025-02-06 19:04:06,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,222 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:06,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-02-06 19:04:06,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:06,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:06,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2025-02-06 19:04:06,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,250 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:06,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2025-02-06 19:04:06,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:06,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:06,274 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:04:06,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2025-02-06 19:04:06,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,281 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:06,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2025-02-06 19:04:06,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:04:06,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:04:06,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:04:06,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:04:06,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:04:06,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:04:06,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:04:06,304 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:04:06,319 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-06 19:04:06,319 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-02-06 19:04:06,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:04:06,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:04:06,322 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:04:06,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2025-02-06 19:04:06,324 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:04:06,336 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:04:06,336 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:04:06,336 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~a~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3) = -1*ULTIMATE.start_strspn_~a~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3 Supporting invariants [] [2025-02-06 19:04:06,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2025-02-06 19:04:06,370 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2025-02-06 19:04:06,372 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:04:06,372 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:04:06,372 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!offset [2025-02-06 19:04:06,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:06,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:04:06,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:04:06,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:06,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:06,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 19:04:06,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:06,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:06,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:06,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:06,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:06,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:04:06,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:06,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:04:06,491 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-06 19:04:06,492 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2025-02-06 19:04:06,532 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 28 states and 31 transitions. Complement of second has 6 states. [2025-02-06 19:04:06,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:04:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2025-02-06 19:04:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2025-02-06 19:04:06,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-06 19:04:06,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:06,534 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:04:06,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:06,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:04:06,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:04:06,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:06,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:06,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 19:04:06,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:06,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:06,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:06,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:06,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:06,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:04:06,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:04:06,656 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-06 19:04:06,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2025-02-06 19:04:06,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 28 states and 31 transitions. Complement of second has 6 states. [2025-02-06 19:04:06,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:04:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2025-02-06 19:04:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2025-02-06 19:04:06,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-06 19:04:06,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:06,699 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:04:06,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:04:06,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:04:06,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:04:06,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:06,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:06,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 19:04:06,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:06,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:04:06,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:04:06,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:04:06,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:04:06,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:04:06,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:04:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:04:06,826 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-06 19:04:06,826 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2025-02-06 19:04:06,868 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 32 states and 37 transitions. Complement of second has 5 states. [2025-02-06 19:04:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:04:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2025-02-06 19:04:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2025-02-06 19:04:06,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-06 19:04:06,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:06,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 3 letters. [2025-02-06 19:04:06,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:06,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 6 letters. [2025-02-06 19:04:06,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:04:06,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2025-02-06 19:04:06,872 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:04:06,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2025-02-06 19:04:06,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:04:06,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:04:06,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:04:06,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:04:06,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:04:06,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:04:06,873 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:04:06,873 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-06 19:04:06,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:04:06,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:04:06,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:04:06,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:04:06 BoogieIcfgContainer [2025-02-06 19:04:06,880 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:04:06,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:04:06,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:04:06,881 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:04:06,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:03:58" (3/4) ... [2025-02-06 19:04:06,883 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:04:06,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:04:06,884 INFO L158 Benchmark]: Toolchain (without parser) took 9307.22ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 104.0MB in the beginning and 134.3MB in the end (delta: -30.3MB). Peak memory consumption was 174.2MB. Max. memory is 16.1GB. [2025-02-06 19:04:06,885 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:04:06,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.10ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 87.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:04:06,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.84ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 85.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:04:06,885 INFO L158 Benchmark]: Boogie Preprocessor took 34.51ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 84.6MB in the end (delta: 936.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:04:06,885 INFO L158 Benchmark]: IcfgBuilder took 291.04ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 70.6MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:04:06,886 INFO L158 Benchmark]: BuchiAutomizer took 8555.92ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 70.6MB in the beginning and 134.4MB in the end (delta: -63.8MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. [2025-02-06 19:04:06,886 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 343.9MB. Free memory was 134.4MB in the beginning and 134.3MB in the end (delta: 106.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:04:06,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.10ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 87.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.84ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 85.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.51ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 84.6MB in the end (delta: 936.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 291.04ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 70.6MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8555.92ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 70.6MB in the beginning and 134.4MB in the end (delta: -63.8MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 343.9MB. Free memory was 134.4MB in the beginning and 134.3MB in the end (delta: 106.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a~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: ~a~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 7.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 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, 58 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 79 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital219 mio100 ax100 hnf100 lsp96 ukn70 mio100 lsp26 div100 bol100 ite100 ukn100 eq156 hnf90 smp100 dnf128 smp100 tf100 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-06 19:04:06,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2025-02-06 19:04:07,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE