./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/string-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/string-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash fd601fa28543c13c2fbec075867019b65bb9d0c4bbf720a0162dbf887aa47892 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:37:47,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:37:47,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:37:47,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:37:47,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:37:47,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:37:47,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:37:47,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:37:47,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:37:47,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:37:47,579 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:37:47,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:37:47,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:37:47,580 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:37:47,581 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:37:47,581 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:37:47,581 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:37:47,581 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:37:47,581 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:37:47,581 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:37:47,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:37:47,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:37:47,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:37:47,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:37:47,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:37:47,583 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:37:47,583 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd601fa28543c13c2fbec075867019b65bb9d0c4bbf720a0162dbf887aa47892 [2025-02-08 14:37:47,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:37:47,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:37:47,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:37:47,806 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:37:47,806 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:37:47,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/string-2.i [2025-02-08 14:37:48,942 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0dfa98dc1/432328dc82b84b6ea76a327713f7da85/FLAG63779fbd4 [2025-02-08 14:37:49,172 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:37:49,172 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loops/string-2.i [2025-02-08 14:37:49,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0dfa98dc1/432328dc82b84b6ea76a327713f7da85/FLAG63779fbd4 [2025-02-08 14:37:49,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0dfa98dc1/432328dc82b84b6ea76a327713f7da85 [2025-02-08 14:37:49,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:37:49,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:37:49,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:37:49,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:37:49,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:37:49,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d08bdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49, skipping insertion in model container [2025-02-08 14:37:49,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:37:49,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:37:49,377 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:37:49,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:37:49,403 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:37:49,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49 WrapperNode [2025-02-08 14:37:49,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:37:49,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:37:49,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:37:49,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:37:49,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,428 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 118 [2025-02-08 14:37:49,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:37:49,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:37:49,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:37:49,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:37:49,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,451 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-02-08 14:37:49,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,464 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:37:49,468 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:37:49,468 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:37:49,468 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:37:49,468 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (1/1) ... [2025-02-08 14:37:49,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:49,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:49,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:49,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-08 14:37:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:37:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:37:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:37:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 14:37:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:37:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:37:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:37:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 14:37:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:37:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:37:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:37:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:37:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 14:37:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:37:49,580 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:37:49,582 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:37:49,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L31: call ULTIMATE.dealloc(main_~#string_A~0#1.base, main_~#string_A~0#1.offset);havoc main_~#string_A~0#1.base, main_~#string_A~0#1.offset;call ULTIMATE.dealloc(main_~#string_B~0#1.base, main_~#string_B~0#1.offset);havoc main_~#string_B~0#1.base, main_~#string_B~0#1.offset; [2025-02-08 14:37:49,747 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-02-08 14:37:49,747 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:37:49,756 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:37:49,760 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:37:49,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:37:49 BoogieIcfgContainer [2025-02-08 14:37:49,760 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:37:49,761 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:37:49,762 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:37:49,765 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:37:49,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:37:49,766 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:37:49" (1/3) ... [2025-02-08 14:37:49,767 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f3c734b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:37:49, skipping insertion in model container [2025-02-08 14:37:49,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:37:49,767 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:49" (2/3) ... [2025-02-08 14:37:49,768 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f3c734b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:37:49, skipping insertion in model container [2025-02-08 14:37:49,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:37:49,768 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:37:49" (3/3) ... [2025-02-08 14:37:49,769 INFO L363 chiAutomizerObserver]: Analyzing ICFG string-2.i [2025-02-08 14:37:49,810 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:37:49,810 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:37:49,810 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:37:49,810 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:37:49,810 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:37:49,811 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:37:49,811 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:37:49,811 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:37:49,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:49,823 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 8 [2025-02-08 14:37:49,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:49,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:49,827 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:37:49,827 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:37:49,827 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:37:49,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:49,828 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 8 [2025-02-08 14:37:49,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:49,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:49,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:37:49,830 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:37:49,834 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" [2025-02-08 14:37:49,834 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" [2025-02-08 14:37:49,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:49,837 INFO L85 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times [2025-02-08 14:37:49,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:49,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477030770] [2025-02-08 14:37:49,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:49,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:49,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:49,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:49,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:49,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:49,909 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:49,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:49,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:49,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:49,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:49,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:49,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:49,932 INFO L85 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 1 times [2025-02-08 14:37:49,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:49,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248415384] [2025-02-08 14:37:49,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:49,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:49,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:49,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:49,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:49,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:49,950 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:49,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:49,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:49,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:49,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:49,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:49,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:49,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2560, now seen corresponding path program 1 times [2025-02-08 14:37:49,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:49,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077112749] [2025-02-08 14:37:49,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:49,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:49,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:49,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:49,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:49,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:49,994 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:49,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:50,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:50,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:50,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:50,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:50,396 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:37:50,396 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:37:50,397 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:37:50,397 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:37:50,397 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:37:50,397 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:50,397 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:37:50,397 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:37:50,397 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration1_Lasso [2025-02-08 14:37:50,397 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:37:50,397 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:37:50,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:50,956 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:37:50,958 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:37:50,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:50,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:50,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:50,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-08 14:37:50,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:50,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:50,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:50,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:50,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:50,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:50,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:50,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:50,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:50,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-08 14:37:50,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:50,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-08 14:37:51,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,020 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:51,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-08 14:37:51,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:51,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:51,050 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:51,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-08 14:37:51,061 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 [2025-02-08 14:37:51,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:51,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,086 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-08 14:37:51,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:51,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:51,112 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:51,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-08 14:37:51,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:51,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:51,141 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-08 14:37:51,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-08 14:37:51,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-08 14:37:51,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-08 14:37:51,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,193 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-08 14:37:51,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,201 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-08 14:37:51,203 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 [2025-02-08 14:37:51,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-08 14:37:51,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,222 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-08 14:37:51,224 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 [2025-02-08 14:37:51,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,237 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-08 14:37:51,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,244 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-08 14:37:51,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:51,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,267 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-08 14:37:51,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,284 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,291 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 [2025-02-08 14:37:51,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,294 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-08 14:37:51,296 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 [2025-02-08 14:37:51,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-08 14:37:51,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,318 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-08 14:37:51,319 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 [2025-02-08 14:37:51,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-08 14:37:51,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,340 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-08 14:37:51,341 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 [2025-02-08 14:37:51,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,355 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-08 14:37:51,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,363 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-08 14:37:51,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,379 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-02-08 14:37:51,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,391 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-08 14:37:51,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:51,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:51,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:51,412 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-08 14:37:51,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,422 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-08 14:37:51,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:51,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:51,441 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:51,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-08 14:37:51,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,455 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-08 14:37:51,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:51,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:51,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:51,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:51,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:51,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:51,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:51,479 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:37:51,505 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2025-02-08 14:37:51,507 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-02-08 14:37:51,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:51,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,512 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-08 14:37:51,514 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:37:51,528 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:37:51,528 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:37:51,529 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 9*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1 - 2*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-02-08 14:37:51,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:51,556 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2025-02-08 14:37:51,564 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-08 14:37:51,564 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-08 14:37:51,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:51,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:51,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:51,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:51,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:51,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:37:51,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:37:51,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:51,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:51,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:51,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:51,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 14:37:51,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:37:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:37:51,639 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-02-08 14:37:51,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 states have internal predecessors, (36), 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 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:51,678 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 states have internal predecessors, (36), 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 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 24 states and 38 transitions. Complement of second has 3 states. [2025-02-08 14:37:51,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-02-08 14:37:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:51,689 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 [2025-02-08 14:37:51,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2 transitions. [2025-02-08 14:37:51,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 1 letters. [2025-02-08 14:37:51,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:37:51,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 2 letters. Loop has 1 letters. [2025-02-08 14:37:51,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:37:51,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 2 letters. [2025-02-08 14:37:51,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:37:51,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 38 transitions. [2025-02-08 14:37:51,697 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-08 14:37:51,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 14 states and 22 transitions. [2025-02-08 14:37:51,699 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-02-08 14:37:51,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2025-02-08 14:37:51,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 22 transitions. [2025-02-08 14:37:51,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:37:51,700 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 22 transitions. [2025-02-08 14:37:51,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 22 transitions. [2025-02-08 14:37:51,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-02-08 14:37:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 22 transitions. [2025-02-08 14:37:51,720 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 22 transitions. [2025-02-08 14:37:51,720 INFO L432 stractBuchiCegarLoop]: Abstraction has 14 states and 22 transitions. [2025-02-08 14:37:51,720 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:37:51,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 22 transitions. [2025-02-08 14:37:51,721 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-08 14:37:51,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:51,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:51,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-08 14:37:51,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:37:51,722 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" [2025-02-08 14:37:51,722 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-08 14:37:51,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:51,725 INFO L85 PathProgramCache]: Analyzing trace with hash 79376, now seen corresponding path program 1 times [2025-02-08 14:37:51,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:51,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100554741] [2025-02-08 14:37:51,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:51,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:51,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:37:51,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:37:51,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:51,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:37:51,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:37:51,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100554741] [2025-02-08 14:37:51,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100554741] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:37:51,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:37:51,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:37:51,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399244609] [2025-02-08 14:37:51,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:37:51,786 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:37:51,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:51,787 INFO L85 PathProgramCache]: Analyzing trace with hash 73, now seen corresponding path program 1 times [2025-02-08 14:37:51,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:51,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530340122] [2025-02-08 14:37:51,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:51,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:51,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:51,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:51,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:51,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:51,792 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:51,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:51,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:51,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:51,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:51,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:51,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:37:51,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 14:37:51,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 14:37:51,841 INFO L87 Difference]: Start difference. First operand 14 states and 22 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:51,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:37:51,858 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2025-02-08 14:37:51,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2025-02-08 14:37:51,859 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-08 14:37:51,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 23 transitions. [2025-02-08 14:37:51,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2025-02-08 14:37:51,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2025-02-08 14:37:51,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2025-02-08 14:37:51,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:37:51,860 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2025-02-08 14:37:51,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2025-02-08 14:37:51,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2025-02-08 14:37:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2025-02-08 14:37:51,862 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2025-02-08 14:37:51,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 14:37:51,863 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2025-02-08 14:37:51,863 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-08 14:37:51,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2025-02-08 14:37:51,863 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-08 14:37:51,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:51,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:51,864 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-08 14:37:51,864 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:37:51,864 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-08 14:37:51,864 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-08 14:37:51,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:51,864 INFO L85 PathProgramCache]: Analyzing trace with hash 76312587, now seen corresponding path program 1 times [2025-02-08 14:37:51,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:51,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205995163] [2025-02-08 14:37:51,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:51,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:51,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:37:51,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:37:51,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:51,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:37:51,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:37:51,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205995163] [2025-02-08 14:37:51,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205995163] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:37:51,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466668800] [2025-02-08 14:37:51,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:51,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:37:51,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:51,930 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:37:51,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 14:37:51,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:37:51,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:37:51,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:51,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:51,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 14:37:51,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:37:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:37:51,998 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:37:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:37:52,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466668800] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:37:52,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:37:52,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 14:37:52,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133885040] [2025-02-08 14:37:52,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:37:52,018 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:37:52,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,018 INFO L85 PathProgramCache]: Analyzing trace with hash 73, now seen corresponding path program 2 times [2025-02-08 14:37:52,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370768938] [2025-02-08 14:37:52,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:37:52,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,021 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:52,022 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:52,022 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:37:52,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,022 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:52,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:52,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:52,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:52,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:37:52,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 14:37:52,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 14:37:52,069 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:52,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:37:52,120 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2025-02-08 14:37:52,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2025-02-08 14:37:52,121 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-08 14:37:52,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 38 transitions. [2025-02-08 14:37:52,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2025-02-08 14:37:52,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2025-02-08 14:37:52,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2025-02-08 14:37:52,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:37:52,122 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2025-02-08 14:37:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2025-02-08 14:37:52,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 21. [2025-02-08 14:37:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2025-02-08 14:37:52,123 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2025-02-08 14:37:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 14:37:52,124 INFO L432 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2025-02-08 14:37:52,124 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-08 14:37:52,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2025-02-08 14:37:52,125 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-08 14:37:52,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:52,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:52,125 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1] [2025-02-08 14:37:52,125 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:37:52,125 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-08 14:37:52,125 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-08 14:37:52,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1774056368, now seen corresponding path program 2 times [2025-02-08 14:37:52,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136617702] [2025-02-08 14:37:52,126 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:37:52,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,136 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 11 statements into 2 equivalence classes. [2025-02-08 14:37:52,159 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 14:37:52,159 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:37:52,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 14:37:52,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:37:52,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136617702] [2025-02-08 14:37:52,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136617702] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:37:52,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435199135] [2025-02-08 14:37:52,269 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:37:52,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:37:52,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:52,271 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:37:52,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 14:37:52,309 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 11 statements into 2 equivalence classes. [2025-02-08 14:37:52,325 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 14:37:52,325 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:37:52,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:52,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 14:37:52,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:37:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 14:37:52,342 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:37:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 14:37:52,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435199135] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:37:52,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:37:52,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2025-02-08 14:37:52,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620242263] [2025-02-08 14:37:52,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:37:52,372 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:37:52,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,372 INFO L85 PathProgramCache]: Analyzing trace with hash 73, now seen corresponding path program 3 times [2025-02-08 14:37:52,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896610238] [2025-02-08 14:37:52,372 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:37:52,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,375 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:52,377 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:52,377 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 14:37:52,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,378 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:52,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:52,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:52,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:52,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:37:52,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 14:37:52,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 14:37:52,426 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:52,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:37:52,469 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2025-02-08 14:37:52,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2025-02-08 14:37:52,470 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-08 14:37:52,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2025-02-08 14:37:52,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2025-02-08 14:37:52,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2025-02-08 14:37:52,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2025-02-08 14:37:52,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:37:52,471 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2025-02-08 14:37:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2025-02-08 14:37:52,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2025-02-08 14:37:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2025-02-08 14:37:52,475 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2025-02-08 14:37:52,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 14:37:52,477 INFO L432 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2025-02-08 14:37:52,477 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-08 14:37:52,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2025-02-08 14:37:52,477 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-08 14:37:52,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:52,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:52,478 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1] [2025-02-08 14:37:52,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:37:52,478 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-08 14:37:52,478 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-08 14:37:52,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1287659317, now seen corresponding path program 3 times [2025-02-08 14:37:52,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881232777] [2025-02-08 14:37:52,479 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:37:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,498 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 4 equivalence classes. [2025-02-08 14:37:52,533 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:37:52,533 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-08 14:37:52,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,533 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:52,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:37:52,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:37:52,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:52,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash 73, now seen corresponding path program 4 times [2025-02-08 14:37:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411322986] [2025-02-08 14:37:52,557 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 14:37:52,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,560 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1 statements into 2 equivalence classes. [2025-02-08 14:37:52,562 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:52,562 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 14:37:52,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,562 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:52,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:52,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:52,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:52,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1262733121, now seen corresponding path program 4 times [2025-02-08 14:37:52,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098956423] [2025-02-08 14:37:52,566 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 14:37:52,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,573 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-02-08 14:37:52,578 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 13 of 14 statements. [2025-02-08 14:37:52,578 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-08 14:37:52,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 14:37:52,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:37:52,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098956423] [2025-02-08 14:37:52,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098956423] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:37:52,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:37:52,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 14:37:52,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669009417] [2025-02-08 14:37:52,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:37:52,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:37:52,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 14:37:52,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 14:37:52,704 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:52,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:37:52,785 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2025-02-08 14:37:52,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2025-02-08 14:37:52,786 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2025-02-08 14:37:52,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 44 transitions. [2025-02-08 14:37:52,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2025-02-08 14:37:52,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2025-02-08 14:37:52,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2025-02-08 14:37:52,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:37:52,787 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 44 transitions. [2025-02-08 14:37:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2025-02-08 14:37:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2025-02-08 14:37:52,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2025-02-08 14:37:52,789 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2025-02-08 14:37:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 14:37:52,790 INFO L432 stractBuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2025-02-08 14:37:52,790 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-08 14:37:52,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2025-02-08 14:37:52,790 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2025-02-08 14:37:52,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:52,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:52,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1] [2025-02-08 14:37:52,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:37:52,791 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" [2025-02-08 14:37:52,791 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" [2025-02-08 14:37:52,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,791 INFO L85 PathProgramCache]: Analyzing trace with hash -490021078, now seen corresponding path program 1 times [2025-02-08 14:37:52,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84631869] [2025-02-08 14:37:52,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 14:37:52,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 14:37:52,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,805 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:52,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 14:37:52,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 14:37:52,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:52,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2048, now seen corresponding path program 1 times [2025-02-08 14:37:52,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579721422] [2025-02-08 14:37:52,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:52,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:52,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:52,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,845 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:52,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:52,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:52,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:52,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:52,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1536147689, now seen corresponding path program 1 times [2025-02-08 14:37:52,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:52,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001692483] [2025-02-08 14:37:52,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:52,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:52,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 14:37:52,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 14:37:52,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,877 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:52,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 14:37:52,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 14:37:52,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:52,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:52,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:55,952 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:37:55,953 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:37:55,953 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:37:55,953 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:37:55,953 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:37:55,953 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:55,953 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:37:55,953 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:37:55,953 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration6_Lasso [2025-02-08 14:37:55,953 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:37:55,953 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:37:55,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:55,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:56,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:56,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:56,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:37:56,425 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:37:56,425 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:37:56,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,445 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-08 14:37:56,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-02-08 14:37:56,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,466 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-08 14:37:56,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,479 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-02-08 14:37:56,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,486 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-08 14:37:56,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,500 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:56,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,507 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-08 14:37:56,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,520 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,525 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 [2025-02-08 14:37:56,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,527 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-08 14:37:56,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,540 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,545 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 [2025-02-08 14:37:56,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,547 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-08 14:37:56,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,565 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 [2025-02-08 14:37:56,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,567 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-08 14:37:56,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-02-08 14:37:56,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,586 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-08 14:37:56,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,598 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-02-08 14:37:56,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,605 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-08 14:37:56,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,621 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-02-08 14:37:56,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,629 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-08 14:37:56,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,643 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-02-08 14:37:56,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,650 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-08 14:37:56,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:56,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:56,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-02-08 14:37:56,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,673 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-08 14:37:56,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:56,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:56,688 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-02-08 14:37:56,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,696 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-08 14:37:56,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,709 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:56,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,716 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-08 14:37:56,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,729 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,735 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 [2025-02-08 14:37:56,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,737 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-08 14:37:56,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-02-08 14:37:56,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,757 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-08 14:37:56,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-02-08 14:37:56,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,777 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-08 14:37:56,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:56,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,798 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-08 14:37:56,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,814 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,820 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 [2025-02-08 14:37:56,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,822 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-08 14:37:56,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:56,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:56,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:56,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,845 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-02-08 14:37:56,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:56,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:56,860 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,865 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 [2025-02-08 14:37:56,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,867 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-02-08 14:37:56,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,885 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 [2025-02-08 14:37:56,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,887 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-08 14:37:56,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,899 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-02-08 14:37:56,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,906 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-08 14:37:56,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:56,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:56,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:56,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:56,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,925 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-08 14:37:56,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,935 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-08 14:37:56,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,938 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2025-02-08 14:37:56,938 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-08 14:37:56,945 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,951 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 [2025-02-08 14:37:56,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,953 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-08 14:37:56,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:56,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:56,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:56,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:56,978 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:56,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-08 14:37:56,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:56,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:56,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:56,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:56,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:56,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:56,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:56,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:56,998 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 [2025-02-08 14:37:56,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:56,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,000 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:57,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-08 14:37:57,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:57,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:57,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:57,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:57,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:57,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:57,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:57,015 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:57,020 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 [2025-02-08 14:37:57,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:57,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,023 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:57,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-08 14:37:57,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:57,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:57,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:57,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:57,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:57,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:57,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:57,037 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:57,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-02-08 14:37:57,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:57,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,045 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:57,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-08 14:37:57,047 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 [2025-02-08 14:37:57,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:57,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:57,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:57,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:57,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:57,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:57,060 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:57,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-02-08 14:37:57,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:57,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,068 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:57,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-08 14:37:57,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:57,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:57,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:57,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:57,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:57,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:57,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:57,083 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:57,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:57,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:57,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,091 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:57,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-08 14:37:57,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:57,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:57,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:37:57,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:57,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:57,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:57,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:37:57,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:37:57,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:57,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-02-08 14:37:57,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:57,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,111 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:57,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-08 14:37:57,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:57,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:57,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:57,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:57,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:57,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:57,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:57,126 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:57,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-02-08 14:37:57,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:57,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,133 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:57,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-02-08 14:37:57,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:57,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:57,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:57,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:57,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:57,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:57,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:57,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:37:57,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-02-08 14:37:57,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:57,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,155 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) [2025-02-08 14:37:57,156 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 [2025-02-08 14:37:57,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:37:57,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:37:57,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:37:57,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:37:57,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:37:57,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:37:57,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:37:57,174 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:37:57,183 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2025-02-08 14:37:57,183 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2025-02-08 14:37:57,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:57,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:57,185 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) [2025-02-08 14:37:57,186 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 [2025-02-08 14:37:57,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:37:57,197 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:37:57,197 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:37:57,197 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#string_A~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2, ULTIMATE.start_main_~nc_A~0#1) = -1*ULTIMATE.start_main_~#string_A~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2 - 1*ULTIMATE.start_main_~nc_A~0#1 Supporting invariants [] [2025-02-08 14:37:57,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:57,218 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2025-02-08 14:37:57,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-08 14:37:57,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-08 14:37:57,220 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#string_A~0!offset [2025-02-08 14:37:57,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:57,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 14:37:57,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 14:37:57,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:57,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:57,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:37:57,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:37:57,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:57,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:57,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:57,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:57,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:37:57,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:37:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:37:57,299 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-08 14:37:57,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:57,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 4 states. [2025-02-08 14:37:57,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:37:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2025-02-08 14:37:57,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 2 letters. [2025-02-08 14:37:57,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:37:57,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 17 letters. Loop has 2 letters. [2025-02-08 14:37:57,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:37:57,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2025-02-08 14:37:57,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:37:57,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2025-02-08 14:37:57,326 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-02-08 14:37:57,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 25 states and 29 transitions. [2025-02-08 14:37:57,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2025-02-08 14:37:57,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2025-02-08 14:37:57,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2025-02-08 14:37:57,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:37:57,326 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2025-02-08 14:37:57,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2025-02-08 14:37:57,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-02-08 14:37:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2025-02-08 14:37:57,327 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2025-02-08 14:37:57,327 INFO L432 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2025-02-08 14:37:57,327 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-08 14:37:57,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2025-02-08 14:37:57,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-02-08 14:37:57,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:57,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:57,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:37:57,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:37:57,328 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" [2025-02-08 14:37:57,328 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" [2025-02-08 14:37:57,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:57,328 INFO L85 PathProgramCache]: Analyzing trace with hash 375938101, now seen corresponding path program 1 times [2025-02-08 14:37:57,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:57,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128437181] [2025-02-08 14:37:57,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:57,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 14:37:57,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 14:37:57,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:57,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:57,343 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:57,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 14:37:57,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 14:37:57,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:57,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:57,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:57,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:57,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1824, now seen corresponding path program 1 times [2025-02-08 14:37:57,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:57,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183982463] [2025-02-08 14:37:57,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:57,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:57,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:57,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:57,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:57,357 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:57,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:57,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:57,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:57,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:57,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:57,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:57,359 INFO L85 PathProgramCache]: Analyzing trace with hash 499263060, now seen corresponding path program 1 times [2025-02-08 14:37:57,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:57,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487983037] [2025-02-08 14:37:57,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:57,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:57,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2025-02-08 14:37:57,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 14:37:57,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 14:37:57,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:57,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:57,399 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:57,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 14:37:57,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 14:37:57,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:57,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:57,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:00,711 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:38:00,711 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:38:00,711 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:38:00,711 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:38:00,711 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:38:00,711 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:00,711 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:38:00,711 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:38:00,711 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration7_Lasso [2025-02-08 14:38:00,711 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:38:00,711 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:38:00,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:00,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:01,129 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:38:01,129 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:38:01,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,131 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) [2025-02-08 14:38:01,132 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 [2025-02-08 14:38:01,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,144 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:01,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,151 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) [2025-02-08 14:38:01,151 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 [2025-02-08 14:38:01,153 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 [2025-02-08 14:38:01,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,165 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,171 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 [2025-02-08 14:38:01,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,174 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) [2025-02-08 14:38:01,175 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 [2025-02-08 14:38:01,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,186 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,191 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 [2025-02-08 14:38:01,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,193 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) [2025-02-08 14:38:01,193 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 [2025-02-08 14:38:01,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,212 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 [2025-02-08 14:38:01,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,214 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) [2025-02-08 14:38:01,215 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 [2025-02-08 14:38:01,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,228 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2025-02-08 14:38:01,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,236 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2025-02-08 14:38:01,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2025-02-08 14:38:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,260 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2025-02-08 14:38:01,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,273 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2025-02-08 14:38:01,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,281 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2025-02-08 14:38:01,282 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 [2025-02-08 14:38:01,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:01,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,304 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2025-02-08 14:38:01,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2025-02-08 14:38:01,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,329 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2025-02-08 14:38:01,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,342 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2025-02-08 14:38:01,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,349 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2025-02-08 14:38:01,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2025-02-08 14:38:01,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,369 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2025-02-08 14:38:01,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:01,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:01,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:01,381 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2025-02-08 14:38:01,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,388 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2025-02-08 14:38:01,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,402 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2025-02-08 14:38:01,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,409 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2025-02-08 14:38:01,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,424 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2025-02-08 14:38:01,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,430 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2025-02-08 14:38:01,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2025-02-08 14:38:01,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,452 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2025-02-08 14:38:01,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,465 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:01,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,472 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2025-02-08 14:38:01,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,487 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-08 14:38:01,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,489 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2025-02-08 14:38:01,489 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-08 14:38:01,495 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:01,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,503 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2025-02-08 14:38:01,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,516 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:01,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,523 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2025-02-08 14:38:01,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,537 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2025-02-08 14:38:01,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,544 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2025-02-08 14:38:01,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,559 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:01,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2025-02-08 14:38:01,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,567 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2025-02-08 14:38:01,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:01,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:01,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:01,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:01,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:01,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:01,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:01,588 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:38:01,594 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-08 14:38:01,594 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2025-02-08 14:38:01,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:01,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:01,596 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:01,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2025-02-08 14:38:01,598 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:38:01,609 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:38:01,609 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:38:01,609 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#string_B~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3, ULTIMATE.start_main_~nc_B~0#1) = -1*ULTIMATE.start_main_~#string_B~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3 - 1*ULTIMATE.start_main_~nc_B~0#1 Supporting invariants [] [2025-02-08 14:38:01,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:01,634 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2025-02-08 14:38:01,635 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-08 14:38:01,635 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-08 14:38:01,635 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#string_B~0!offset [2025-02-08 14:38:01,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:01,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 14:38:01,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 14:38:01,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:01,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:01,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:38:01,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:01,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:01,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:01,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:01,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:01,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:01,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:38:01,702 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-08 14:38:01,702 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:01,719 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 30 states and 37 transitions. Complement of second has 4 states. [2025-02-08 14:38:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:38:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2025-02-08 14:38:01,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 18 letters. Loop has 2 letters. [2025-02-08 14:38:01,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:01,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 20 letters. Loop has 2 letters. [2025-02-08 14:38:01,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:01,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 18 letters. Loop has 4 letters. [2025-02-08 14:38:01,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:01,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2025-02-08 14:38:01,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:01,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 32 transitions. [2025-02-08 14:38:01,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2025-02-08 14:38:01,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2025-02-08 14:38:01,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2025-02-08 14:38:01,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:01,721 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2025-02-08 14:38:01,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2025-02-08 14:38:01,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-02-08 14:38:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2025-02-08 14:38:01,722 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2025-02-08 14:38:01,722 INFO L432 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2025-02-08 14:38:01,722 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-08 14:38:01,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2025-02-08 14:38:01,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:01,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:01,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:01,723 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:01,723 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:01,723 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" [2025-02-08 14:38:01,723 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:01,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:01,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1702714333, now seen corresponding path program 1 times [2025-02-08 14:38:01,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:01,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018324244] [2025-02-08 14:38:01,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:01,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 14:38:01,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 14:38:01,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:01,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:01,737 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:01,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 14:38:01,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 14:38:01,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:01,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:01,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:01,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:01,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 1 times [2025-02-08 14:38:01,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:01,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61191072] [2025-02-08 14:38:01,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:01,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:01,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:01,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:01,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:01,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:01,754 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:01,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:01,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:01,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:01,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:01,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:01,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:01,760 INFO L85 PathProgramCache]: Analyzing trace with hash 74066273, now seen corresponding path program 1 times [2025-02-08 14:38:01,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:01,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113835857] [2025-02-08 14:38:01,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:01,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:01,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 14:38:01,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 14:38:01,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:01,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:01,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2025-02-08 14:38:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-08 14:38:01,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:38:01,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113835857] [2025-02-08 14:38:01,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113835857] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:38:01,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:38:01,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 14:38:01,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506321187] [2025-02-08 14:38:01,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:38:01,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:38:01,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 14:38:01,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 14:38:01,934 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. cyclomatic complexity: 8 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) [2025-02-08 14:38:01,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:38:01,957 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2025-02-08 14:38:01,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 42 transitions. [2025-02-08 14:38:01,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:01,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 28 states and 32 transitions. [2025-02-08 14:38:01,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2025-02-08 14:38:01,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2025-02-08 14:38:01,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2025-02-08 14:38:01,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:01,958 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 32 transitions. [2025-02-08 14:38:01,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2025-02-08 14:38:01,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2025-02-08 14:38:01,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2025-02-08 14:38:01,959 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2025-02-08 14:38:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 14:38:01,961 INFO L432 stractBuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2025-02-08 14:38:01,961 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-08 14:38:01,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 31 transitions. [2025-02-08 14:38:01,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:01,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:01,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:01,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:01,962 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:01,962 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" [2025-02-08 14:38:01,962 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:01,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:01,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1109457570, now seen corresponding path program 1 times [2025-02-08 14:38:01,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:01,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632693049] [2025-02-08 14:38:01,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:01,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 14:38:01,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 14:38:01,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:01,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-08 14:38:02,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:38:02,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632693049] [2025-02-08 14:38:02,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632693049] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:38:02,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011927379] [2025-02-08 14:38:02,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:02,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:38:02,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:02,048 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:38:02,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2025-02-08 14:38:02,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 14:38:02,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 14:38:02,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:02,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:02,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:02,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-08 14:38:02,134 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 14:38:02,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011927379] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:38:02,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 14:38:02,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-08 14:38:02,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640941705] [2025-02-08 14:38:02,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:38:02,135 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:38:02,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:02,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 2 times [2025-02-08 14:38:02,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:02,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685290719] [2025-02-08 14:38:02,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:38:02,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:02,137 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:02,138 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:02,138 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:38:02,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:02,139 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:02,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:02,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:02,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:02,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:02,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:02,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:38:02,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 14:38:02,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-08 14:38:02,199 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:02,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:38:02,215 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2025-02-08 14:38:02,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 34 transitions. [2025-02-08 14:38:02,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:02,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 29 states and 32 transitions. [2025-02-08 14:38:02,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2025-02-08 14:38:02,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2025-02-08 14:38:02,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 32 transitions. [2025-02-08 14:38:02,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:02,216 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 32 transitions. [2025-02-08 14:38:02,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 32 transitions. [2025-02-08 14:38:02,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2025-02-08 14:38:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2025-02-08 14:38:02,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 30 transitions. [2025-02-08 14:38:02,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 14:38:02,218 INFO L432 stractBuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2025-02-08 14:38:02,218 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-02-08 14:38:02,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 30 transitions. [2025-02-08 14:38:02,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:02,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:02,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:02,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:02,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:02,219 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" [2025-02-08 14:38:02,219 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:02,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:02,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1036870755, now seen corresponding path program 1 times [2025-02-08 14:38:02,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:02,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486502551] [2025-02-08 14:38:02,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:02,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:02,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 14:38:02,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 14:38:02,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:02,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:02,238 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:02,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 14:38:02,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 14:38:02,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:02,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:02,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:02,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:02,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 3 times [2025-02-08 14:38:02,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:02,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956145956] [2025-02-08 14:38:02,254 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:38:02,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:02,257 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:02,257 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:02,258 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 14:38:02,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:02,258 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:02,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:02,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:02,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:02,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:02,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:02,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:02,261 INFO L85 PathProgramCache]: Analyzing trace with hash 383393, now seen corresponding path program 1 times [2025-02-08 14:38:02,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:02,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342516191] [2025-02-08 14:38:02,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:02,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:02,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 14:38:02,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 14:38:02,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:02,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:02,288 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:02,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 14:38:02,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 14:38:02,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:02,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:02,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:06,156 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:38:06,156 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:38:06,156 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:38:06,156 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:38:06,156 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:38:06,156 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,156 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:38:06,156 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:38:06,156 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration10_Lasso [2025-02-08 14:38:06,156 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:38:06,156 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:38:06,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:06,734 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:38:06,734 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:38:06,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,736 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2025-02-08 14:38:06,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:06,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:06,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:06,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:06,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:06,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:06,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:06,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:06,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:06,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2025-02-08 14:38:06,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,756 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2025-02-08 14:38:06,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:06,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:06,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:06,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:06,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:06,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:06,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:06,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:06,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:06,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2025-02-08 14:38:06,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,778 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2025-02-08 14:38:06,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:06,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:06,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:06,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:06,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:06,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:06,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:06,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:06,791 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:06,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2025-02-08 14:38:06,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,798 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2025-02-08 14:38:06,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:06,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:06,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:06,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:06,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:06,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:06,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:06,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:06,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:06,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2025-02-08 14:38:06,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,817 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2025-02-08 14:38:06,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:06,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:06,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:06,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:06,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:06,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:06,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:06,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:06,829 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:06,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2025-02-08 14:38:06,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,836 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2025-02-08 14:38:06,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:06,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:06,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:06,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:06,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:06,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:06,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:06,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:06,848 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:06,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2025-02-08 14:38:06,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,855 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2025-02-08 14:38:06,857 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 [2025-02-08 14:38:06,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:06,867 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2025-02-08 14:38:06,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:06,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:06,870 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-02-08 14:38:06,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:06,876 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:06,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2025-02-08 14:38:06,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,883 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2025-02-08 14:38:06,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:06,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:06,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:06,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:06,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:06,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:06,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:06,902 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:38:06,924 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2025-02-08 14:38:06,925 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-02-08 14:38:06,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:06,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:06,928 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:06,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2025-02-08 14:38:06,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:38:06,940 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:38:06,941 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:38:06,941 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~nc_A~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~nc_A~0#1 Supporting invariants [] [2025-02-08 14:38:06,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2025-02-08 14:38:06,962 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2025-02-08 14:38:06,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:06,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 14:38:07,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 14:38:07,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:07,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:38:07,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:07,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:07,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:07,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:07,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 14:38:07,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:38:07,040 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-08 14:38:07,040 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:07,055 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 5 states. [2025-02-08 14:38:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:38:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2025-02-08 14:38:07,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 25 letters. Loop has 2 letters. [2025-02-08 14:38:07,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:07,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 27 letters. Loop has 2 letters. [2025-02-08 14:38:07,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:07,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 25 letters. Loop has 4 letters. [2025-02-08 14:38:07,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:07,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2025-02-08 14:38:07,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:07,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 36 transitions. [2025-02-08 14:38:07,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2025-02-08 14:38:07,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2025-02-08 14:38:07,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2025-02-08 14:38:07,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:07,058 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2025-02-08 14:38:07,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2025-02-08 14:38:07,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2025-02-08 14:38:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2025-02-08 14:38:07,060 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2025-02-08 14:38:07,060 INFO L432 stractBuchiCegarLoop]: Abstraction has 31 states and 36 transitions. [2025-02-08 14:38:07,060 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-02-08 14:38:07,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 36 transitions. [2025-02-08 14:38:07,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:07,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:07,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:07,061 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:07,061 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:07,061 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-08 14:38:07,061 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:07,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:07,061 INFO L85 PathProgramCache]: Analyzing trace with hash 383394, now seen corresponding path program 1 times [2025-02-08 14:38:07,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:07,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662088377] [2025-02-08 14:38:07,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:07,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:07,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 14:38:07,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 14:38:07,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:07,076 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:07,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 14:38:07,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 14:38:07,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:07,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:07,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:07,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 4 times [2025-02-08 14:38:07,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:07,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906234911] [2025-02-08 14:38:07,089 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 14:38:07,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:07,091 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 2 statements into 2 equivalence classes. [2025-02-08 14:38:07,092 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:07,092 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 14:38:07,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:07,092 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:07,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:07,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:07,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:07,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:07,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:07,095 INFO L85 PathProgramCache]: Analyzing trace with hash 368442144, now seen corresponding path program 1 times [2025-02-08 14:38:07,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:07,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114191206] [2025-02-08 14:38:07,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:07,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 14:38:07,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 14:38:07,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-08 14:38:07,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:38:07,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114191206] [2025-02-08 14:38:07,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114191206] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:38:07,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668949936] [2025-02-08 14:38:07,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:07,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:38:07,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:07,234 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:38:07,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2025-02-08 14:38:07,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 14:38:07,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2025-02-08 14:38:07,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 14:38:07,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:07,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 14:38:07,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-08 14:38:07,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:38:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-08 14:38:07,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668949936] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:38:07,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:38:07,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 13 [2025-02-08 14:38:07,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362335443] [2025-02-08 14:38:07,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:38:07,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:38:07,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 14:38:07,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-02-08 14:38:07,460 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:07,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:38:07,567 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2025-02-08 14:38:07,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 62 transitions. [2025-02-08 14:38:07,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:07,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 34 states and 39 transitions. [2025-02-08 14:38:07,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2025-02-08 14:38:07,568 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2025-02-08 14:38:07,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 39 transitions. [2025-02-08 14:38:07,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:07,568 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 39 transitions. [2025-02-08 14:38:07,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 39 transitions. [2025-02-08 14:38:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2025-02-08 14:38:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:07,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2025-02-08 14:38:07,569 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 38 transitions. [2025-02-08 14:38:07,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 14:38:07,571 INFO L432 stractBuchiCegarLoop]: Abstraction has 33 states and 38 transitions. [2025-02-08 14:38:07,571 INFO L338 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2025-02-08 14:38:07,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 38 transitions. [2025-02-08 14:38:07,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:07,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:07,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:07,572 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:07,572 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:07,572 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-08 14:38:07,572 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:07,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:07,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1891429151, now seen corresponding path program 2 times [2025-02-08 14:38:07,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:07,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824142220] [2025-02-08 14:38:07,574 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:38:07,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:07,581 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-08 14:38:07,590 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 14:38:07,590 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:38:07,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-08 14:38:07,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:38:07,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824142220] [2025-02-08 14:38:07,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824142220] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:38:07,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712452900] [2025-02-08 14:38:07,675 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:38:07,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:38:07,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:07,677 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:38:07,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2025-02-08 14:38:07,733 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-08 14:38:07,755 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 14:38:07,756 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:38:07,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:07,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 14:38:07,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-08 14:38:07,797 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:38:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-08 14:38:07,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712452900] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:38:07,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:38:07,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2025-02-08 14:38:07,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879998943] [2025-02-08 14:38:07,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:38:07,832 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:38:07,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:07,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 5 times [2025-02-08 14:38:07,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:07,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729913422] [2025-02-08 14:38:07,832 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 14:38:07,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:07,835 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:07,836 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:07,836 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:38:07,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:07,836 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:07,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:07,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:07,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:07,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:07,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:38:07,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 14:38:07,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2025-02-08 14:38:07,911 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. cyclomatic complexity: 9 Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:07,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:38:07,944 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2025-02-08 14:38:07,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 44 transitions. [2025-02-08 14:38:07,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:07,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 37 states and 42 transitions. [2025-02-08 14:38:07,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2025-02-08 14:38:07,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2025-02-08 14:38:07,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 42 transitions. [2025-02-08 14:38:07,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:07,945 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 42 transitions. [2025-02-08 14:38:07,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 42 transitions. [2025-02-08 14:38:07,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2025-02-08 14:38:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2025-02-08 14:38:07,946 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 40 transitions. [2025-02-08 14:38:07,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 14:38:07,947 INFO L432 stractBuchiCegarLoop]: Abstraction has 35 states and 40 transitions. [2025-02-08 14:38:07,947 INFO L338 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2025-02-08 14:38:07,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 40 transitions. [2025-02-08 14:38:07,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:07,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:07,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:07,948 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:07,948 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:07,948 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-08 14:38:07,948 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:07,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:07,949 INFO L85 PathProgramCache]: Analyzing trace with hash -858725790, now seen corresponding path program 3 times [2025-02-08 14:38:07,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:07,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563583361] [2025-02-08 14:38:07,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:38:07,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:07,955 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 31 statements into 4 equivalence classes. [2025-02-08 14:38:07,976 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 14:38:07,976 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-08 14:38:07,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:07,976 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:07,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 14:38:07,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 14:38:07,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:07,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:07,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:07,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:07,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 6 times [2025-02-08 14:38:07,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:07,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274432791] [2025-02-08 14:38:07,998 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 14:38:07,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:08,001 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:08,002 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:08,002 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-02-08 14:38:08,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:08,002 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:08,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:08,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:08,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:08,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:08,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:08,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:08,006 INFO L85 PathProgramCache]: Analyzing trace with hash -601762848, now seen corresponding path program 2 times [2025-02-08 14:38:08,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:08,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029659226] [2025-02-08 14:38:08,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:38:08,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:08,014 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-02-08 14:38:08,026 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:38:08,026 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:38:08,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:08,027 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:08,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 14:38:08,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:38:08,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:08,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:08,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:11,955 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:38:11,956 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:38:11,956 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:38:11,956 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:38:11,956 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:38:11,956 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:11,956 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:38:11,956 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:38:11,956 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration13_Lasso [2025-02-08 14:38:11,956 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:38:11,956 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:38:11,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:11,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:11,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:11,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:11,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:11,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:11,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:11,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:12,714 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:38:12,715 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:38:12,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,719 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2025-02-08 14:38:12,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:12,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:12,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:12,734 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2025-02-08 14:38:12,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,742 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2025-02-08 14:38:12,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:12,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:12,756 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2025-02-08 14:38:12,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,764 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2025-02-08 14:38:12,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:12,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:12,778 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2025-02-08 14:38:12,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,786 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2025-02-08 14:38:12,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:12,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:12,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:12,798 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2025-02-08 14:38:12,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,805 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2025-02-08 14:38:12,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:12,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:12,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:12,818 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2025-02-08 14:38:12,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,825 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2025-02-08 14:38:12,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:12,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:12,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:12,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2025-02-08 14:38:12,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,849 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2025-02-08 14:38:12,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:12,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:12,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:12,861 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2025-02-08 14:38:12,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,868 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2025-02-08 14:38:12,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:12,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:12,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:12,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:12,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,888 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2025-02-08 14:38:12,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:12,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:12,902 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2025-02-08 14:38:12,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,910 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2025-02-08 14:38:12,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:12,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:12,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:12,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2025-02-08 14:38:12,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,929 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2025-02-08 14:38:12,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:12,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:12,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2025-02-08 14:38:12,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,952 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2025-02-08 14:38:12,954 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 [2025-02-08 14:38:12,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:12,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:12,967 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2025-02-08 14:38:12,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,975 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2025-02-08 14:38:12,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:12,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:12,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:12,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:12,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:12,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:12,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:12,991 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:12,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:12,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:12,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:12,997 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:12,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2025-02-08 14:38:12,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:13,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:13,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:13,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:13,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:13,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:13,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:13,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:13,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2025-02-08 14:38:13,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:13,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:13,019 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:13,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2025-02-08 14:38:13,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:13,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:13,030 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-08 14:38:13,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:13,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:13,031 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-08 14:38:13,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:13,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:13,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2025-02-08 14:38:13,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:13,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:13,040 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:13,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2025-02-08 14:38:13,041 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 [2025-02-08 14:38:13,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:13,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:13,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:13,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:13,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:13,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:13,059 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:38:13,067 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-02-08 14:38:13,068 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2025-02-08 14:38:13,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:13,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:13,069 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:13,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2025-02-08 14:38:13,071 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:38:13,081 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:38:13,081 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:38:13,081 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_B~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~nc_B~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2025-02-08 14:38:13,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2025-02-08 14:38:13,111 INFO L156 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2025-02-08 14:38:13,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:13,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 14:38:13,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 14:38:13,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:13,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:13,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:38:13,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2025-02-08 14:38:13,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:13,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:13,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:13,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:13,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:13,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 14:38:13,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:38:13,215 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-08 14:38:13,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 40 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2025-02-08 14:38:13,226 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 40 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 39 states and 46 transitions. Complement of second has 5 states. [2025-02-08 14:38:13,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:38:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2025-02-08 14:38:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2025-02-08 14:38:13,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 31 letters. Loop has 2 letters. [2025-02-08 14:38:13,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:13,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 33 letters. Loop has 2 letters. [2025-02-08 14:38:13,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:13,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 31 letters. Loop has 4 letters. [2025-02-08 14:38:13,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:13,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 46 transitions. [2025-02-08 14:38:13,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:13,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 46 transitions. [2025-02-08 14:38:13,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2025-02-08 14:38:13,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2025-02-08 14:38:13,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 46 transitions. [2025-02-08 14:38:13,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:13,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2025-02-08 14:38:13,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 46 transitions. [2025-02-08 14:38:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2025-02-08 14:38:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2025-02-08 14:38:13,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2025-02-08 14:38:13,234 INFO L432 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2025-02-08 14:38:13,234 INFO L338 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2025-02-08 14:38:13,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2025-02-08 14:38:13,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:13,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:13,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:13,235 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:13,235 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:13,235 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-08 14:38:13,235 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:13,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:13,236 INFO L85 PathProgramCache]: Analyzing trace with hash -601762847, now seen corresponding path program 4 times [2025-02-08 14:38:13,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322449414] [2025-02-08 14:38:13,236 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 14:38:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:13,243 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 33 statements into 2 equivalence classes. [2025-02-08 14:38:13,254 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:38:13,254 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 14:38:13,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:13,255 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:13,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 14:38:13,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:38:13,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:13,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:13,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:13,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:13,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 7 times [2025-02-08 14:38:13,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:13,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311975654] [2025-02-08 14:38:13,273 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 14:38:13,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:13,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:13,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:13,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:13,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:13,277 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:13,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:13,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:13,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:13,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:13,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:13,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:13,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1526489503, now seen corresponding path program 3 times [2025-02-08 14:38:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:13,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329116444] [2025-02-08 14:38:13,280 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:38:13,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:13,288 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 4 equivalence classes. [2025-02-08 14:38:13,302 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 33 of 35 statements. [2025-02-08 14:38:13,306 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 14:38:13,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 14:38:13,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:38:13,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329116444] [2025-02-08 14:38:13,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329116444] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:38:13,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653311858] [2025-02-08 14:38:13,434 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:38:13,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:38:13,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:13,435 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:38:13,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Waiting until timeout for monitored process [2025-02-08 14:38:13,502 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 4 equivalence classes. [2025-02-08 14:38:13,529 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 33 of 35 statements. [2025-02-08 14:38:13,529 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 14:38:13,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:13,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 14:38:13,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 14:38:13,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:38:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 14:38:13,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653311858] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:38:13,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:38:13,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2025-02-08 14:38:13,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540521680] [2025-02-08 14:38:13,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:38:13,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:38:13,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 14:38:13,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-02-08 14:38:13,723 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. cyclomatic complexity: 12 Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:13,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:38:13,793 INFO L93 Difference]: Finished difference Result 62 states and 72 transitions. [2025-02-08 14:38:13,793 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 72 transitions. [2025-02-08 14:38:13,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:13,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 42 states and 49 transitions. [2025-02-08 14:38:13,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2025-02-08 14:38:13,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2025-02-08 14:38:13,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 49 transitions. [2025-02-08 14:38:13,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:13,794 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 49 transitions. [2025-02-08 14:38:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 49 transitions. [2025-02-08 14:38:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2025-02-08 14:38:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.170731707317073) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2025-02-08 14:38:13,795 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2025-02-08 14:38:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 14:38:13,796 INFO L432 stractBuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2025-02-08 14:38:13,796 INFO L338 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2025-02-08 14:38:13,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 48 transitions. [2025-02-08 14:38:13,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:13,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:13,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:13,796 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:13,796 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:13,796 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-08 14:38:13,797 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:13,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:13,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1575969760, now seen corresponding path program 5 times [2025-02-08 14:38:13,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:13,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669306286] [2025-02-08 14:38:13,797 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 14:38:13,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:13,804 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 35 statements into 4 equivalence classes. [2025-02-08 14:38:13,818 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 14:38:13,819 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-02-08 14:38:13,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-08 14:38:13,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:38:13,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669306286] [2025-02-08 14:38:13,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669306286] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:38:13,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202788762] [2025-02-08 14:38:13,919 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 14:38:13,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:38:13,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:13,921 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:38:13,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Waiting until timeout for monitored process [2025-02-08 14:38:13,986 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 35 statements into 4 equivalence classes. [2025-02-08 14:38:14,047 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 14:38:14,047 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-02-08 14:38:14,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:14,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 14:38:14,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-08 14:38:14,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:38:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-08 14:38:14,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202788762] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:38:14,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:38:14,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2025-02-08 14:38:14,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681752905] [2025-02-08 14:38:14,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:38:14,152 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:38:14,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:14,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 8 times [2025-02-08 14:38:14,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:14,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23624267] [2025-02-08 14:38:14,152 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:38:14,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:14,154 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:14,155 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:14,155 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:38:14,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:14,155 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:14,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:14,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:14,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:14,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:14,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:14,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:38:14,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 14:38:14,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-02-08 14:38:14,216 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. cyclomatic complexity: 12 Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:14,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:38:14,252 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2025-02-08 14:38:14,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 54 transitions. [2025-02-08 14:38:14,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:14,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 45 states and 52 transitions. [2025-02-08 14:38:14,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2025-02-08 14:38:14,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2025-02-08 14:38:14,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 52 transitions. [2025-02-08 14:38:14,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:14,253 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 52 transitions. [2025-02-08 14:38:14,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 52 transitions. [2025-02-08 14:38:14,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2025-02-08 14:38:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 42 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2025-02-08 14:38:14,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2025-02-08 14:38:14,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 14:38:14,255 INFO L432 stractBuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2025-02-08 14:38:14,255 INFO L338 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2025-02-08 14:38:14,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 50 transitions. [2025-02-08 14:38:14,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:38:14,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:14,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:14,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:14,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:14,256 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-08 14:38:14,256 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-08 14:38:14,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash 532972833, now seen corresponding path program 6 times [2025-02-08 14:38:14,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:14,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488748842] [2025-02-08 14:38:14,257 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 14:38:14,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:14,264 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 37 statements into 4 equivalence classes. [2025-02-08 14:38:14,276 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 14:38:14,277 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-02-08 14:38:14,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:14,277 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:14,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 14:38:14,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 14:38:14,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:14,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:14,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:14,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:14,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 9 times [2025-02-08 14:38:14,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:14,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467405012] [2025-02-08 14:38:14,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:38:14,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:14,306 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:14,307 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:14,307 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 14:38:14,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:14,307 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:14,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:14,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:14,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:14,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:14,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:14,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:14,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1085784799, now seen corresponding path program 4 times [2025-02-08 14:38:14,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:14,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598944092] [2025-02-08 14:38:14,310 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 14:38:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:14,319 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-02-08 14:38:14,337 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 14:38:14,338 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 14:38:14,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:14,338 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:14,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 14:38:14,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 14:38:14,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:14,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:14,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:18,297 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:38:18,298 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:38:18,298 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:38:18,298 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:38:18,298 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:38:18,298 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:18,298 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:38:18,298 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:38:18,298 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration16_Lasso [2025-02-08 14:38:18,298 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:38:18,298 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:38:18,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:18,783 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2025-02-08 14:38:19,695 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:38:19,695 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:38:19,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:19,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:19,697 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:19,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2025-02-08 14:38:19,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:19,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:19,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:19,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:19,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:19,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:19,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:19,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:19,709 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:19,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2025-02-08 14:38:19,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:19,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:19,716 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:19,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2025-02-08 14:38:19,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:19,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:19,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:19,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:19,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:19,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:19,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:19,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:19,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:19,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:19,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:19,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:19,735 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:19,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2025-02-08 14:38:19,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:19,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:19,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:19,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:19,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:19,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:19,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:19,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:19,747 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:19,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2025-02-08 14:38:19,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:19,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:19,754 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:19,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2025-02-08 14:38:19,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:19,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:19,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:19,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:19,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:19,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:19,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:19,768 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:19,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2025-02-08 14:38:19,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:19,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:19,776 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:19,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2025-02-08 14:38:19,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:19,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:19,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:19,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:19,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:19,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:19,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:19,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:19,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2025-02-08 14:38:19,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:19,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:19,797 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:19,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2025-02-08 14:38:19,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:19,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:19,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:19,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:19,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:19,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:19,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:19,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:38:19,828 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2025-02-08 14:38:19,828 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2025-02-08 14:38:19,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:19,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:19,830 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:19,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2025-02-08 14:38:19,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:38:19,842 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-08 14:38:19,842 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:38:19,842 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 9 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_6 + 1*ULTIMATE.start_main_~#string_B~0#1.offset + 5 >= 0] [2025-02-08 14:38:19,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2025-02-08 14:38:19,868 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2025-02-08 14:38:19,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:19,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 14:38:19,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 14:38:19,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:19,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:19,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:19,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:19,949 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 [2025-02-08 14:38:20,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:20,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:20,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:20,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:20,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:38:20,103 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 [2025-02-08 14:38:20,104 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:20,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 45 states and 54 transitions. Complement of second has 6 states. [2025-02-08 14:38:20,137 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 [2025-02-08 14:38:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2025-02-08 14:38:20,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 37 letters. Loop has 2 letters. [2025-02-08 14:38:20,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:20,137 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-08 14:38:20,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:20,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 14:38:20,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 14:38:20,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:20,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:20,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:20,203 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 [2025-02-08 14:38:20,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2025-02-08 14:38:20,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:20,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:20,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:20,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:20,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:38:20,389 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 [2025-02-08 14:38:20,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:20,420 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 45 states and 54 transitions. Complement of second has 6 states. [2025-02-08 14:38:20,420 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 [2025-02-08 14:38:20,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2025-02-08 14:38:20,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 37 letters. Loop has 2 letters. [2025-02-08 14:38:20,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:20,421 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-08 14:38:20,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:20,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 14:38:20,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 14:38:20,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:20,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:20,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:20,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2025-02-08 14:38:20,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:20,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:20,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:20,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:20,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:38:20,644 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 [2025-02-08 14:38:20,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:20,683 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 47 states and 57 transitions. Complement of second has 5 states. [2025-02-08 14:38:20,684 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 [2025-02-08 14:38:20,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2025-02-08 14:38:20,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 37 letters. Loop has 2 letters. [2025-02-08 14:38:20,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:20,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 39 letters. Loop has 2 letters. [2025-02-08 14:38:20,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:20,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 37 letters. Loop has 4 letters. [2025-02-08 14:38:20,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:20,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2025-02-08 14:38:20,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-08 14:38:20,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 45 states and 53 transitions. [2025-02-08 14:38:20,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2025-02-08 14:38:20,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2025-02-08 14:38:20,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 53 transitions. [2025-02-08 14:38:20,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:20,687 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 53 transitions. [2025-02-08 14:38:20,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 53 transitions. [2025-02-08 14:38:20,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2025-02-08 14:38:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 36 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:20,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2025-02-08 14:38:20,688 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2025-02-08 14:38:20,688 INFO L432 stractBuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2025-02-08 14:38:20,688 INFO L338 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2025-02-08 14:38:20,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 41 transitions. [2025-02-08 14:38:20,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-08 14:38:20,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:20,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:20,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:20,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:20,689 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" [2025-02-08 14:38:20,689 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-08 14:38:20,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:20,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1200558493, now seen corresponding path program 2 times [2025-02-08 14:38:20,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:20,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505731106] [2025-02-08 14:38:20,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:38:20,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:20,697 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-02-08 14:38:20,710 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:38:20,710 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:38:20,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:20,711 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:20,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 14:38:20,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:38:20,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:20,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:20,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:20,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1472, now seen corresponding path program 1 times [2025-02-08 14:38:20,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:20,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797323358] [2025-02-08 14:38:20,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:38:20,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:20,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:20,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:20,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:20,735 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:20,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:20,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:20,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:20,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:20,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:20,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1609491362, now seen corresponding path program 7 times [2025-02-08 14:38:20,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:20,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783432120] [2025-02-08 14:38:20,739 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 14:38:20,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:20,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 14:38:20,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 14:38:20,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:20,759 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:20,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 14:38:20,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 14:38:20,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:20,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:20,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:25,770 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:38:25,770 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:38:25,770 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:38:25,770 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:38:25,770 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:38:25,770 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:25,770 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:38:25,770 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:38:25,770 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration17_Lasso [2025-02-08 14:38:25,770 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:38:25,770 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:38:25,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:26,462 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:38:26,462 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:38:26,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:26,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:26,465 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:26,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2025-02-08 14:38:26,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:26,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:26,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:26,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:26,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:26,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:26,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:26,480 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:26,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2025-02-08 14:38:26,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:26,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:26,487 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:26,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2025-02-08 14:38:26,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:26,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:26,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:26,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:26,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:26,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:26,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:26,502 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:26,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2025-02-08 14:38:26,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:26,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:26,510 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:26,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2025-02-08 14:38:26,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:26,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:26,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:26,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:26,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:26,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:26,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:26,524 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:26,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:26,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:26,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:26,533 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:26,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2025-02-08 14:38:26,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:26,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:26,544 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-08 14:38:26,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:26,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:26,545 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-08 14:38:26,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:26,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:26,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2025-02-08 14:38:26,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:26,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:26,556 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:26,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2025-02-08 14:38:26,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:26,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:26,567 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-08 14:38:26,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:26,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:26,568 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-08 14:38:26,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:26,570 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:26,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:26,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:26,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:26,579 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:26,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2025-02-08 14:38:26,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:26,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:26,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:26,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:26,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:26,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:26,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:26,606 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:38:26,639 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2025-02-08 14:38:26,639 INFO L444 ModelExtractionUtils]: 1 out of 28 variables were initially zero. Simplification set additionally 24 variables to zero. [2025-02-08 14:38:26,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:26,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:26,641 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:26,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2025-02-08 14:38:26,642 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:38:26,652 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:38:26,652 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:38:26,652 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_A~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~nc_A~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-02-08 14:38:26,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2025-02-08 14:38:26,688 INFO L156 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2025-02-08 14:38:26,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:26,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 14:38:26,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:38:26,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:26,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:26,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 14:38:26,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:26,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:26,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:26,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:26,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:26,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 14:38:26,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:38:26,779 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-08 14:38:26,779 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:26,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 46 states and 55 transitions. Complement of second has 6 states. [2025-02-08 14:38:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-08 14:38:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2025-02-08 14:38:26,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 33 letters. Loop has 2 letters. [2025-02-08 14:38:26,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:26,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 35 letters. Loop has 2 letters. [2025-02-08 14:38:26,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:26,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 33 letters. Loop has 4 letters. [2025-02-08 14:38:26,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:26,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 55 transitions. [2025-02-08 14:38:26,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-08 14:38:26,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 44 states and 51 transitions. [2025-02-08 14:38:26,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2025-02-08 14:38:26,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2025-02-08 14:38:26,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 51 transitions. [2025-02-08 14:38:26,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:38:26,809 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 51 transitions. [2025-02-08 14:38:26,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 51 transitions. [2025-02-08 14:38:26,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2025-02-08 14:38:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.15) internal successors, (46), 39 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2025-02-08 14:38:26,810 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 46 transitions. [2025-02-08 14:38:26,810 INFO L432 stractBuchiCegarLoop]: Abstraction has 40 states and 46 transitions. [2025-02-08 14:38:26,810 INFO L338 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2025-02-08 14:38:26,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 46 transitions. [2025-02-08 14:38:26,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-08 14:38:26,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:38:26,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:38:26,811 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:38:26,811 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:38:26,811 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_#t~bitwise15#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#1(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#2(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-08 14:38:26,811 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#1(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#2(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-08 14:38:26,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:26,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1645375345, now seen corresponding path program 2 times [2025-02-08 14:38:26,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:26,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138250168] [2025-02-08 14:38:26,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:38:26,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:26,824 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-02-08 14:38:26,842 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 14:38:26,842 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:38:26,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:26,842 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:26,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 14:38:26,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 14:38:26,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:26,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:26,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:26,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:26,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1442, now seen corresponding path program 2 times [2025-02-08 14:38:26,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:26,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513687340] [2025-02-08 14:38:26,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:38:26,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:26,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:26,860 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:26,860 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:38:26,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:26,860 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:26,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:26,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:26,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:26,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:26,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:26,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:26,864 INFO L85 PathProgramCache]: Analyzing trace with hash -657741136, now seen corresponding path program 5 times [2025-02-08 14:38:26,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:38:26,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560322705] [2025-02-08 14:38:26,864 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 14:38:26,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:38:26,875 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 38 statements into 4 equivalence classes. [2025-02-08 14:38:26,887 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 14:38:26,888 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-02-08 14:38:26,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:26,888 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:38:26,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 14:38:26,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 14:38:26,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:26,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:38:26,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:38:26,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2025-02-08 14:38:32,314 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 374 DAG size of output: 275 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2025-02-08 14:38:32,586 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:38:32,587 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:38:32,587 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:38:32,587 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:38:32,587 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:38:32,587 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:32,587 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:38:32,587 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:38:32,587 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration18_Lasso [2025-02-08 14:38:32,587 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:38:32,587 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:38:32,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:32,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:38:33,241 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:38:33,241 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:38:33,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,243 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2025-02-08 14:38:33,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,255 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2025-02-08 14:38:33,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,262 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2025-02-08 14:38:33,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2025-02-08 14:38:33,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,282 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2025-02-08 14:38:33,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,298 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2025-02-08 14:38:33,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,306 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2025-02-08 14:38:33,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,318 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2025-02-08 14:38:33,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,325 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2025-02-08 14:38:33,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,337 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:33,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,344 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2025-02-08 14:38:33,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,356 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2025-02-08 14:38:33,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,364 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2025-02-08 14:38:33,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:33,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,384 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2025-02-08 14:38:33,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,395 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2025-02-08 14:38:33,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,403 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2025-02-08 14:38:33,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,417 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2025-02-08 14:38:33,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,425 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2025-02-08 14:38:33,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,439 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2025-02-08 14:38:33,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,447 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2025-02-08 14:38:33,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:33,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,467 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2025-02-08 14:38:33,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,478 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2025-02-08 14:38:33,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,486 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2025-02-08 14:38:33,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2025-02-08 14:38:33,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,505 INFO L229 MonitoredProcess]: Starting monitored process 139 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2025-02-08 14:38:33,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,517 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2025-02-08 14:38:33,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,524 INFO L229 MonitoredProcess]: Starting monitored process 140 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2025-02-08 14:38:33,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2025-02-08 14:38:33,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,543 INFO L229 MonitoredProcess]: Starting monitored process 141 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2025-02-08 14:38:33,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2025-02-08 14:38:33,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,562 INFO L229 MonitoredProcess]: Starting monitored process 142 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2025-02-08 14:38:33,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:38:33,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:38:33,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:38:33,574 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2025-02-08 14:38:33,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,581 INFO L229 MonitoredProcess]: Starting monitored process 143 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2025-02-08 14:38:33,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2025-02-08 14:38:33,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,602 INFO L229 MonitoredProcess]: Starting monitored process 144 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2025-02-08 14:38:33,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,612 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-08 14:38:33,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,613 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-08 14:38:33,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2025-02-08 14:38:33,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,622 INFO L229 MonitoredProcess]: Starting monitored process 145 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2025-02-08 14:38:33,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,637 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2025-02-08 14:38:33,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,645 INFO L229 MonitoredProcess]: Starting monitored process 146 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2025-02-08 14:38:33,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,656 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2025-02-08 14:38:33,656 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-08 14:38:33,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,676 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2025-02-08 14:38:33,677 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-08 14:38:33,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2025-02-08 14:38:33,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,720 INFO L229 MonitoredProcess]: Starting monitored process 147 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2025-02-08 14:38:33,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,738 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:33,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,747 INFO L229 MonitoredProcess]: Starting monitored process 148 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2025-02-08 14:38:33,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,763 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:33,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,771 INFO L229 MonitoredProcess]: Starting monitored process 149 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2025-02-08 14:38:33,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,788 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:33,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,796 INFO L229 MonitoredProcess]: Starting monitored process 150 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2025-02-08 14:38:33,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,813 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:33,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,822 INFO L229 MonitoredProcess]: Starting monitored process 151 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2025-02-08 14:38:33,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:38:33,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:33,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,846 INFO L229 MonitoredProcess]: Starting monitored process 152 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2025-02-08 14:38:33,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:38:33,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:38:33,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:38:33,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:38:33,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:38:33,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:38:33,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:38:33,869 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:38:33,883 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2025-02-08 14:38:33,883 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2025-02-08 14:38:33,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:38:33,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:38:33,885 INFO L229 MonitoredProcess]: Starting monitored process 153 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:38:33,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2025-02-08 14:38:33,887 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:38:33,898 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:38:33,898 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:38:33,898 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~nc_A~0#1, ULTIMATE.start_main_~j~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~nc_A~0#1 + 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2025-02-08 14:38:33,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2025-02-08 14:38:33,928 INFO L156 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2025-02-08 14:38:33,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:38:33,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 14:38:33,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 14:38:33,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:33,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:33,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:38:33,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:34,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:38:34,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:38:34,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:38:34,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:38:34,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:38:34,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:38:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:38:34,017 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-08 14:38:34,017 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 46 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:34,034 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 46 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 53 states and 63 transitions. Complement of second has 6 states. [2025-02-08 14:38:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-08 14:38:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:38:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2025-02-08 14:38:34,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 36 letters. Loop has 2 letters. [2025-02-08 14:38:34,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:34,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 38 letters. Loop has 2 letters. [2025-02-08 14:38:34,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:34,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 36 letters. Loop has 4 letters. [2025-02-08 14:38:34,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:38:34,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 63 transitions. [2025-02-08 14:38:34,039 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:38:34,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 0 states and 0 transitions. [2025-02-08 14:38:34,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:38:34,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:38:34,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:38:34,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:38:34,039 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:38:34,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:38:34,039 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:38:34,039 INFO L338 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2025-02-08 14:38:34,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:38:34,039 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:38:34,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:38:34,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:38:34 BoogieIcfgContainer [2025-02-08 14:38:34,047 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:38:34,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:38:34,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:38:34,048 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:38:34,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:37:49" (3/4) ... [2025-02-08 14:38:34,050 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:38:34,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:38:34,051 INFO L158 Benchmark]: Toolchain (without parser) took 44828.50ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 113.3MB in the beginning and 117.1MB in the end (delta: -3.8MB). Peak memory consumption was 124.8MB. Max. memory is 16.1GB. [2025-02-08 14:38:34,051 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:38:34,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.72ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 101.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:38:34,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.10ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:38:34,051 INFO L158 Benchmark]: Boogie Preprocessor took 38.70ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:38:34,051 INFO L158 Benchmark]: IcfgBuilder took 292.83ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 84.0MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:38:34,051 INFO L158 Benchmark]: BuchiAutomizer took 44286.13ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 84.0MB in the beginning and 117.1MB in the end (delta: -33.2MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2025-02-08 14:38:34,051 INFO L158 Benchmark]: Witness Printer took 2.40ms. Allocated memory is still 268.4MB. Free memory was 117.1MB in the beginning and 117.1MB in the end (delta: 51.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:38:34,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.72ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 101.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.10ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.70ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 292.83ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 84.0MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 44286.13ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 84.0MB in the beginning and 117.1MB in the end (delta: -33.2MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * Witness Printer took 2.40ms. Allocated memory is still 268.4MB. Free memory was 117.1MB in the beginning and 117.1MB in the end (delta: 51.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - 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: ~#string_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: ~#string_B~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 18 terminating modules (10 trivial, 7 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 2 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * i) + nc_A) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * j) + nc_B) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * i) + nc_A) and consists of 4 locations. One deterministic module has affine ranking function ((((long long) -1 * i) + j) + nc_A) and consists of 4 locations. One nondeterministic module has affine ranking function (((long long) -2 * j) + 9) and consists of 4 locations. 10 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.2s and 19 iterations. TraceHistogramMax:5. Analysis of lassos took 42.0s. Construction of modules took 0.4s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 12. Automata minimization 0.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 53 StatesRemovedByMinimization, 12 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 [7, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 284 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 278 mSDsluCounter, 520 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 272 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 624 IncrementalHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 248 mSDtfsCounter, 624 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU6 SILI0 SILT0 lasso8 LassoPreprocessingBenchmarks: Lassos: inital295 mio100 ax100 hnf100 lsp94 ukn52 mio100 lsp27 div100 bol100 ite100 ukn100 eq175 hnf91 smp100 dnf580 smp89 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 8 VariablesLoop: 7 DisjunctsStem: 8 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 44 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-08 14:38:34,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:34,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:34,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Ended with exit code 0 [2025-02-08 14:38:34,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Ended with exit code 0 [2025-02-08 14:38:34,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Ended with exit code 0 [2025-02-08 14:38:35,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:35,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:35,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 14:38:35,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE