./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c -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 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:49:57,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:49:57,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:49:57,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:49:57,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:49:57,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:49:57,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:49:57,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:49:57,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:49:57,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:49:57,361 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:49:57,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:49:57,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:49:57,361 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:49:57,361 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:49:57,361 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:49:57,361 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:49:57,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:49:57,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:49:57,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:49:57,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:49:57,363 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:49:57,364 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:49:57,364 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 -> 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b [2025-02-06 19:49:57,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:49:57,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:49:57,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:49:57,558 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:49:57,558 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:49:57,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2025-02-06 19:49:58,861 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e5d74f2e/422bfa4b4b654767b6bbaa67df906c45/FLAGdd1118343 [2025-02-06 19:49:59,124 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:49:59,125 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2025-02-06 19:49:59,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e5d74f2e/422bfa4b4b654767b6bbaa67df906c45/FLAGdd1118343 [2025-02-06 19:49:59,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e5d74f2e/422bfa4b4b654767b6bbaa67df906c45 [2025-02-06 19:49:59,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:49:59,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:49:59,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:49:59,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:49:59,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:49:59,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630c7784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59, skipping insertion in model container [2025-02-06 19:49:59,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:49:59,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:49:59,549 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:49:59,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:49:59,571 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:49:59,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59 WrapperNode [2025-02-06 19:49:59,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:49:59,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:49:59,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:49:59,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:49:59,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,592 INFO L138 Inliner]: procedures = 13, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2025-02-06 19:49:59,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:49:59,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:49:59,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:49:59,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:49:59,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,610 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 6, 6]. 43 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 1, 1]. The 4 writes are split as follows [0, 2, 2]. [2025-02-06 19:49:59,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,618 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:49:59,621 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:49:59,621 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:49:59,621 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:49:59,625 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (1/1) ... [2025-02-06 19:49:59,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:49:59,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:49:59,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:49:59,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:49:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:49:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:49:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 19:49:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 19:49:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 19:49:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 19:49:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 19:49:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 19:49:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_21_0 [2025-02-06 19:49:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_21_0 [2025-02-06 19:49:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:49:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:49:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 19:49:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 19:49:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 19:49:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_21_to_21_0 [2025-02-06 19:49:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_21_to_21_0 [2025-02-06 19:49:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 19:49:59,727 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:49:59,729 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:49:59,829 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L61: call ULTIMATE.dealloc(main_~#a~0#1.base, main_~#a~0#1.offset);havoc main_~#a~0#1.base, main_~#a~0#1.offset;call ULTIMATE.dealloc(main_~#b~0#1.base, main_~#b~0#1.offset);havoc main_~#b~0#1.base, main_~#b~0#1.offset; [2025-02-06 19:49:59,856 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-02-06 19:49:59,856 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:49:59,865 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:49:59,866 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:49:59,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:49:59 BoogieIcfgContainer [2025-02-06 19:49:59,866 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:49:59,867 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:49:59,867 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:49:59,871 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:49:59,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:49:59,872 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:49:59" (1/3) ... [2025-02-06 19:49:59,873 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@205bed4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:49:59, skipping insertion in model container [2025-02-06 19:49:59,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:49:59,874 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:49:59" (2/3) ... [2025-02-06 19:49:59,874 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@205bed4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:49:59, skipping insertion in model container [2025-02-06 19:49:59,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:49:59,875 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:49:59" (3/3) ... [2025-02-06 19:49:59,876 INFO L363 chiAutomizerObserver]: Analyzing ICFG recursified_nested_2.c [2025-02-06 19:49:59,914 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:49:59,915 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:49:59,915 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:49:59,915 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:49:59,915 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:49:59,915 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:49:59,916 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:49:59,916 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:49:59,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 19:49:59,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:49:59,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:49:59,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:49:59,935 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 19:49:59,936 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:49:59,936 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:49:59,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 19:49:59,938 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:49:59,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:49:59,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:49:59,938 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 19:49:59,938 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:49:59,942 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);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4);" "call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);"< [2025-02-06 19:49:59,942 INFO L754 eck$LassoCheckResult]: Loop: "~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#1(~a.base, ~a.offset, 4);" "assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4);" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume !(#t~mem4 < 6);havoc #t~mem4;" "assume true;" >"#29#return;" "call #t~mem8 := read~int#1(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#1(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9;" "call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);"< [2025-02-06 19:49:59,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:49:59,945 INFO L85 PathProgramCache]: Analyzing trace with hash 48638, now seen corresponding path program 1 times [2025-02-06 19:49:59,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:49:59,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274459294] [2025-02-06 19:49:59,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:49:59,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:00,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:00,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:00,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:00,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:00,049 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:00,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:00,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:00,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:00,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:00,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:00,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:00,088 INFO L85 PathProgramCache]: Analyzing trace with hash 79025081, now seen corresponding path program 1 times [2025-02-06 19:50:00,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:00,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278482754] [2025-02-06 19:50:00,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:50:00,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:00,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 19:50:00,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 19:50:00,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:00,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:50:00,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:50:00,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278482754] [2025-02-06 19:50:00,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278482754] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:50:00,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:50:00,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 19:50:00,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735126823] [2025-02-06 19:50:00,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:50:00,430 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:50:00,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:50:00,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 19:50:00,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 19:50:00,452 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:50:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:50:00,550 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2025-02-06 19:50:00,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2025-02-06 19:50:00,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:50:00,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 15 states and 17 transitions. [2025-02-06 19:50:00,561 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2025-02-06 19:50:00,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2025-02-06 19:50:00,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2025-02-06 19:50:00,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:50:00,563 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-06 19:50:00,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2025-02-06 19:50:00,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-06 19:50:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 19:50:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-02-06 19:50:00,582 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-06 19:50:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 19:50:00,585 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-06 19:50:00,585 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:50:00,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2025-02-06 19:50:00,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:50:00,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:50:00,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:50:00,586 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 19:50:00,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:50:00,586 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4);" "call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);"< [2025-02-06 19:50:00,588 INFO L754 eck$LassoCheckResult]: Loop: "~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#1(~a.base, ~a.offset, 4);" "assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4);" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume !(#t~mem4 < 6);havoc #t~mem4;" "assume true;" >"#33#return;" "assume true;" >"#29#return;" "call #t~mem8 := read~int#1(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#1(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9;" "call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);"< [2025-02-06 19:50:00,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:00,589 INFO L85 PathProgramCache]: Analyzing trace with hash 48638, now seen corresponding path program 2 times [2025-02-06 19:50:00,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:00,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858043413] [2025-02-06 19:50:00,590 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:50:00,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:00,596 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:00,609 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:00,610 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:50:00,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:00,610 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:00,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:00,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:00,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:00,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:00,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:00,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:00,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1933090711, now seen corresponding path program 1 times [2025-02-06 19:50:00,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:00,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484504819] [2025-02-06 19:50:00,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:50:00,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:00,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:50:00,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:50:00,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:00,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:50:00,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:50:00,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484504819] [2025-02-06 19:50:00,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484504819] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:50:00,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265836866] [2025-02-06 19:50:00,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:50:00,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:50:00,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:00,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:50:00,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 19:50:00,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:50:00,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:50:00,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:00,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:00,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-06 19:50:00,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:01,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2025-02-06 19:50:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:50:01,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:50:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:50:01,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265836866] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:50:01,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:50:01,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 22 [2025-02-06 19:50:01,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028594951] [2025-02-06 19:50:01,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:50:01,510 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:50:01,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:50:01,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 19:50:01,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2025-02-06 19:50:01,511 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 7 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 19:50:01,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:50:01,645 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2025-02-06 19:50:01,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2025-02-06 19:50:01,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:50:01,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2025-02-06 19:50:01,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2025-02-06 19:50:01,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2025-02-06 19:50:01,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2025-02-06 19:50:01,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:50:01,647 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2025-02-06 19:50:01,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2025-02-06 19:50:01,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-02-06 19:50:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 19:50:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2025-02-06 19:50:01,649 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2025-02-06 19:50:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 19:50:01,649 INFO L432 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2025-02-06 19:50:01,649 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:50:01,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2025-02-06 19:50:01,650 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:50:01,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:50:01,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:50:01,651 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 19:50:01,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:50:01,651 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);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4);" "call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);"< [2025-02-06 19:50:01,651 INFO L754 eck$LassoCheckResult]: Loop: "~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#1(~a.base, ~a.offset, 4);" "assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4);" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume !(#t~mem4 < 6);havoc #t~mem4;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#29#return;" "call #t~mem8 := read~int#1(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#1(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9;" "call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);"< [2025-02-06 19:50:01,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:01,651 INFO L85 PathProgramCache]: Analyzing trace with hash 48638, now seen corresponding path program 3 times [2025-02-06 19:50:01,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:01,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89860458] [2025-02-06 19:50:01,652 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:50:01,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:01,656 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:01,659 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:01,659 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:50:01,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:01,659 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:01,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:01,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:01,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:01,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:01,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:01,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash 970980281, now seen corresponding path program 2 times [2025-02-06 19:50:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:01,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040266946] [2025-02-06 19:50:01,665 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:50:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:01,670 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-02-06 19:50:01,675 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:50:01,675 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:50:01,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 19:50:02,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:50:02,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040266946] [2025-02-06 19:50:02,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040266946] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:50:02,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362198022] [2025-02-06 19:50:02,066 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:50:02,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:50:02,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:02,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:50:02,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 19:50:02,108 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-02-06 19:50:02,125 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:50:02,126 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:50:02,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:02,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 56 conjuncts are in the unsatisfiable core [2025-02-06 19:50:02,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:02,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2025-02-06 19:50:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 19:50:02,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:50:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:50:03,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362198022] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:50:03,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:50:03,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 18] total 33 [2025-02-06 19:50:03,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914391604] [2025-02-06 19:50:03,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:50:03,256 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:50:03,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:50:03,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-02-06 19:50:03,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=848, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 19:50:03,257 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 33 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 10 states have call successors, (10), 6 states have call predecessors, (10), 9 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2025-02-06 19:50:03,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:50:03,499 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2025-02-06 19:50:03,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2025-02-06 19:50:03,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:50:03,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 25 transitions. [2025-02-06 19:50:03,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2025-02-06 19:50:03,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2025-02-06 19:50:03,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2025-02-06 19:50:03,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:50:03,501 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-02-06 19:50:03,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2025-02-06 19:50:03,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-02-06 19:50:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 14 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (7), 6 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 19:50:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-02-06 19:50:03,503 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-02-06 19:50:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 19:50:03,504 INFO L432 stractBuchiCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-02-06 19:50:03,504 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:50:03,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 25 transitions. [2025-02-06 19:50:03,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:50:03,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:50:03,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:50:03,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 19:50:03,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:50:03,506 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4);" "call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);"< [2025-02-06 19:50:03,506 INFO L754 eck$LassoCheckResult]: Loop: "~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#1(~a.base, ~a.offset, 4);" "assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4);" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume !(#t~mem4 < 6);havoc #t~mem4;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#29#return;" "call #t~mem8 := read~int#1(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#1(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9;" "call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);"< [2025-02-06 19:50:03,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:03,506 INFO L85 PathProgramCache]: Analyzing trace with hash 48638, now seen corresponding path program 4 times [2025-02-06 19:50:03,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:03,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016147636] [2025-02-06 19:50:03,507 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:50:03,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:03,511 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 3 statements into 2 equivalence classes. [2025-02-06 19:50:03,515 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:03,515 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:50:03,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:03,515 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:03,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:03,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:03,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:03,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:03,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:03,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:03,521 INFO L85 PathProgramCache]: Analyzing trace with hash 790507273, now seen corresponding path program 3 times [2025-02-06 19:50:03,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:03,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963574458] [2025-02-06 19:50:03,521 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:50:03,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:03,528 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 6 equivalence classes. [2025-02-06 19:50:03,547 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:50:03,549 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-06 19:50:03,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 43 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-06 19:50:04,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:50:04,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963574458] [2025-02-06 19:50:04,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963574458] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:50:04,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758981310] [2025-02-06 19:50:04,205 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:50:04,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:50:04,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:04,208 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:50:04,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 19:50:04,253 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 6 equivalence classes. [2025-02-06 19:50:04,278 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:50:04,279 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-06 19:50:04,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:04,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 80 conjuncts are in the unsatisfiable core [2025-02-06 19:50:04,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:04,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2025-02-06 19:50:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 19:50:04,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:50:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:50:06,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758981310] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:50:06,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:50:06,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 26] total 45 [2025-02-06 19:50:06,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257447068] [2025-02-06 19:50:06,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:50:06,315 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:50:06,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:50:06,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-02-06 19:50:06,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=1606, Unknown=0, NotChecked=0, Total=1980 [2025-02-06 19:50:06,317 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. cyclomatic complexity: 4 Second operand has 45 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 38 states have internal predecessors, (41), 12 states have call successors, (13), 8 states have call predecessors, (13), 14 states have return successors, (18), 13 states have call predecessors, (18), 11 states have call successors, (18) [2025-02-06 19:50:06,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:50:06,804 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2025-02-06 19:50:06,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2025-02-06 19:50:06,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:50:06,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 30 states and 34 transitions. [2025-02-06 19:50:06,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2025-02-06 19:50:06,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2025-02-06 19:50:06,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 34 transitions. [2025-02-06 19:50:06,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:50:06,806 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 34 transitions. [2025-02-06 19:50:06,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 34 transitions. [2025-02-06 19:50:06,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2025-02-06 19:50:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 7 states have return successors, (8), 7 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 19:50:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2025-02-06 19:50:06,809 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 31 transitions. [2025-02-06 19:50:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 19:50:06,809 INFO L432 stractBuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2025-02-06 19:50:06,809 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 19:50:06,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 31 transitions. [2025-02-06 19:50:06,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:50:06,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:50:06,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:50:06,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 19:50:06,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:50:06,810 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);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4);" "call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);"< [2025-02-06 19:50:06,810 INFO L754 eck$LassoCheckResult]: Loop: "~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#1(~a.base, ~a.offset, 4);" "assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4);" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume !(#t~mem4 < 6);havoc #t~mem4;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#29#return;" "call #t~mem8 := read~int#1(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#1(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9;" "call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);"< [2025-02-06 19:50:06,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:06,811 INFO L85 PathProgramCache]: Analyzing trace with hash 48638, now seen corresponding path program 5 times [2025-02-06 19:50:06,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:06,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115992832] [2025-02-06 19:50:06,811 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:50:06,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:06,817 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:06,820 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:06,820 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:50:06,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:06,820 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:06,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:06,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:06,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:06,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:06,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:06,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:06,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1834596439, now seen corresponding path program 4 times [2025-02-06 19:50:06,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:06,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671754082] [2025-02-06 19:50:06,828 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:50:06,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:06,836 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-02-06 19:50:06,855 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 19:50:06,856 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:50:06,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:06,856 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:06,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 19:50:06,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 19:50:06,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:06,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:06,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:06,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:06,884 INFO L85 PathProgramCache]: Analyzing trace with hash -971901172, now seen corresponding path program 1 times [2025-02-06 19:50:06,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:06,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862955127] [2025-02-06 19:50:06,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:50:06,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:06,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 19:50:06,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 19:50:06,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:06,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:06,902 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:06,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 19:50:06,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 19:50:06,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:06,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:06,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:08,575 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:50:08,575 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:50:08,576 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:50:08,576 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:50:08,576 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:50:08,576 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:08,576 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:50:08,576 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:50:08,576 INFO L132 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration5_Lasso [2025-02-06 19:50:08,576 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:50:08,576 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:50:08,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:08,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:09,268 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:50:09,272 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:50:09,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,279 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-06 19:50:09,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,302 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,311 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-06 19:50:09,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,336 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-06 19:50:09,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:09,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:09,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:09,352 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,365 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-06 19:50:09,366 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 [2025-02-06 19:50:09,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:09,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:09,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:09,382 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,390 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-06 19:50:09,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,411 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-06 19:50:09,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,425 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-06 19:50:09,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-06 19:50:09,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,464 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-06 19:50:09,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-06 19:50:09,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,513 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-06 19:50:09,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,542 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-06 19:50:09,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,561 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-06 19:50:09,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,569 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-06 19:50:09,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,585 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,593 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-06 19:50:09,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,611 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,623 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-06 19:50:09,624 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 [2025-02-06 19:50:09,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,642 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,648 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 [2025-02-06 19:50:09,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,650 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-06 19:50:09,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,667 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,675 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-06 19:50:09,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,692 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,702 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-06 19:50:09,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,718 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,727 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 [2025-02-06 19:50:09,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,730 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-06 19:50:09,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,756 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,766 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 [2025-02-06 19:50:09,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,768 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-06 19:50:09,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,791 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-06 19:50:09,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,799 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-06 19:50:09,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,815 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:09,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,823 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-06 19:50:09,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:09,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:09,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:09,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:09,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:09,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:09,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:09,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:50:09,888 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-06 19:50:09,889 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-02-06 19:50:09,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:09,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:09,893 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:09,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-06 19:50:09,896 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:50:09,907 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:50:09,907 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:50:09,908 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 func_to_recursive_line_20_to_21_0_#in~a.base) 0)_1) = -2*v_rep(select (select #memory_int#1 func_to_recursive_line_20_to_21_0_#in~a.base) 0)_1 + 11 Supporting invariants [] [2025-02-06 19:50:09,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:09,971 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2025-02-06 19:50:09,976 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2025-02-06 19:50:09,976 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2025-02-06 19:50:09,976 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~a!base,]]] [2025-02-06 19:50:10,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:10,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:10,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:10,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:10,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:10,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:50:10,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:10,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 19:50:10,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-02-06 19:50:10,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 19:50:10,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:10,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:10,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-02-06 19:50:10,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:10,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2025-02-06 19:50:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-02-06 19:50:10,619 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2025-02-06 19:50:10,624 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 31 transitions. cyclomatic complexity: 5 Second operand has 7 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:50:10,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 31 transitions. cyclomatic complexity: 5. Second operand has 7 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 65 states and 71 transitions. Complement of second has 20 states. [2025-02-06 19:50:10,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2025-02-06 19:50:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:50:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2025-02-06 19:50:10,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 3 letters. Loop has 39 letters. [2025-02-06 19:50:10,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:10,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 42 letters. Loop has 39 letters. [2025-02-06 19:50:10,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:10,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 3 letters. Loop has 78 letters. [2025-02-06 19:50:10,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:10,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 71 transitions. [2025-02-06 19:50:10,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:50:10,888 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 43 states and 48 transitions. [2025-02-06 19:50:10,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-02-06 19:50:10,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2025-02-06 19:50:10,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 48 transitions. [2025-02-06 19:50:10,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:50:10,888 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 48 transitions. [2025-02-06 19:50:10,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 48 transitions. [2025-02-06 19:50:10,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2025-02-06 19:50:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 7 states have return successors, (8), 7 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 19:50:10,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2025-02-06 19:50:10,890 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 38 transitions. [2025-02-06 19:50:10,890 INFO L432 stractBuchiCegarLoop]: Abstraction has 34 states and 38 transitions. [2025-02-06 19:50:10,890 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-06 19:50:10,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 38 transitions. [2025-02-06 19:50:10,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:50:10,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:50:10,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:50:10,893 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-06 19:50:10,893 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:50:10,894 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);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4);" "call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#1(~a.base, ~a.offset, 4);" "assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4);" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< [2025-02-06 19:50:10,894 INFO L754 eck$LassoCheckResult]: Loop: "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< [2025-02-06 19:50:10,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:10,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1448979584, now seen corresponding path program 1 times [2025-02-06 19:50:10,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:10,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246917624] [2025-02-06 19:50:10,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:50:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:10,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:50:10,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:50:10,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:10,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:10,906 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:10,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:50:10,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:50:10,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:10,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:10,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:10,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:10,925 INFO L85 PathProgramCache]: Analyzing trace with hash 53569, now seen corresponding path program 1 times [2025-02-06 19:50:10,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:10,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960023627] [2025-02-06 19:50:10,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:50:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:10,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:10,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:10,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:10,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:10,929 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:10,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:10,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:10,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:10,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:10,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:10,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:10,932 INFO L85 PathProgramCache]: Analyzing trace with hash 2129485922, now seen corresponding path program 1 times [2025-02-06 19:50:10,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:10,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184838901] [2025-02-06 19:50:10,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:50:10,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:10,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 19:50:10,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 19:50:10,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:10,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:10,938 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:10,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 19:50:10,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 19:50:10,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:10,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:10,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:12,203 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:50:12,203 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:50:12,203 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:50:12,203 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:50:12,203 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:50:12,203 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,203 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:50:12,203 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:50:12,203 INFO L132 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration6_Lasso [2025-02-06 19:50:12,203 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:50:12,203 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:50:12,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:12,647 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:50:12,647 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:50:12,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,652 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-06 19:50:12,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:12,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:12,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:12,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,671 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 [2025-02-06 19:50:12,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,673 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-06 19:50:12,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:12,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:12,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:12,688 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,694 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 [2025-02-06 19:50:12,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,696 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-06 19:50:12,698 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 [2025-02-06 19:50:12,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:12,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:12,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:12,710 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:12,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,718 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-06 19:50:12,721 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 [2025-02-06 19:50:12,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:12,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:12,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:12,734 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:12,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,743 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-06 19:50:12,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:12,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:12,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:12,759 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-06 19:50:12,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,768 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-06 19:50:12,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:12,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:12,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:12,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,794 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-06 19:50:12,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:12,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:12,815 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:12,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,823 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-06 19:50:12,825 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 [2025-02-06 19:50:12,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:12,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:12,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:12,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,848 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-06 19:50:12,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:12,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:12,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:12,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,875 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-06 19:50:12,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:12,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:12,896 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-02-06 19:50:12,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,908 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-06 19:50:12,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:12,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:12,932 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:12,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:12,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,941 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-06 19:50:12,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:12,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:12,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:12,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:12,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:12,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:12,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:12,964 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:50:12,979 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2025-02-06 19:50:12,979 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-02-06 19:50:12,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:12,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:12,981 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:12,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-06 19:50:12,983 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:50:12,994 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:50:12,994 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:50:12,994 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1) = -2*v_rep(select (select #memory_int#2 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1 + 11 Supporting invariants [] [2025-02-06 19:50:13,000 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 [2025-02-06 19:50:13,010 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2025-02-06 19:50:13,012 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2025-02-06 19:50:13,012 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2025-02-06 19:50:13,012 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~b!base,]]] [2025-02-06 19:50:13,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:13,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:50:13,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:50:13,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:13,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:13,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 19:50:13,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:13,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:13,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:13,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:13,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:13,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 19:50:13,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:13,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2025-02-06 19:50:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:50:13,152 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2025-02-06 19:50:13,152 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 38 transitions. cyclomatic complexity: 7 Second operand has 8 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:50:13,257 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 38 transitions. cyclomatic complexity: 7. Second operand has 8 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 74 transitions. Complement of second has 18 states. [2025-02-06 19:50:13,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-06 19:50:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:50:13,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2025-02-06 19:50:13,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-06 19:50:13,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:13,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. Stem has 9 letters. Loop has 3 letters. [2025-02-06 19:50:13,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:13,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. Stem has 6 letters. Loop has 6 letters. [2025-02-06 19:50:13,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:13,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 74 transitions. [2025-02-06 19:50:13,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:50:13,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 45 states and 56 transitions. [2025-02-06 19:50:13,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-02-06 19:50:13,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-02-06 19:50:13,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2025-02-06 19:50:13,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:50:13,261 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2025-02-06 19:50:13,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2025-02-06 19:50:13,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-06 19:50:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 30 states have internal predecessors, (30), 10 states have call successors, (10), 7 states have call predecessors, (10), 8 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-06 19:50:13,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2025-02-06 19:50:13,264 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2025-02-06 19:50:13,264 INFO L432 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2025-02-06 19:50:13,264 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-06 19:50:13,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2025-02-06 19:50:13,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:50:13,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:50:13,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:50:13,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:50:13,266 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:50:13,266 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);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4);" "call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#1(~a.base, ~a.offset, 4);" "assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4);" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume !(#t~mem4 < 6);havoc #t~mem4;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#33#return;" "assume true;" >"#29#return;" "call #t~mem8 := read~int#1(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#1(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9;" "call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);"< "~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#1(~a.base, ~a.offset, 4);" "assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4);" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< [2025-02-06 19:50:13,266 INFO L754 eck$LassoCheckResult]: Loop: "~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4);" "assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6;" "call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);"< [2025-02-06 19:50:13,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:13,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1533267790, now seen corresponding path program 2 times [2025-02-06 19:50:13,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:13,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669408632] [2025-02-06 19:50:13,267 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:50:13,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:13,273 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-02-06 19:50:13,283 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:50:13,283 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:50:13,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:13,283 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:13,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:50:13,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:50:13,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:13,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:13,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:13,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:13,299 INFO L85 PathProgramCache]: Analyzing trace with hash 53569, now seen corresponding path program 2 times [2025-02-06 19:50:13,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:13,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298294560] [2025-02-06 19:50:13,300 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:50:13,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:13,302 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:13,303 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:13,303 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:50:13,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:13,303 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:13,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:13,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:13,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:13,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:13,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:13,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:13,306 INFO L85 PathProgramCache]: Analyzing trace with hash -603515152, now seen corresponding path program 3 times [2025-02-06 19:50:13,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:50:13,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589682239] [2025-02-06 19:50:13,306 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:50:13,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:50:13,313 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 8 equivalence classes. [2025-02-06 19:50:13,339 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 19:50:13,339 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 19:50:13,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:13,339 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:50:13,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 19:50:13,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 19:50:13,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:13,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:50:13,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:50:14,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2025-02-06 19:50:15,566 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:50:15,566 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:50:15,566 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:50:15,566 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:50:15,566 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:50:15,566 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:15,566 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:50:15,566 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:50:15,566 INFO L132 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration7_Lasso [2025-02-06 19:50:15,566 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:50:15,567 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:50:15,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:15,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:50:16,025 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:50:16,026 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:50:16,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,029 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-06 19:50:16,031 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 [2025-02-06 19:50:16,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,043 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,048 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 [2025-02-06 19:50:16,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,050 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-06 19:50:16,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,068 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 [2025-02-06 19:50:16,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,071 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-06 19:50:16,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2025-02-06 19:50:16,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,103 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-06 19:50:16,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,117 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2025-02-06 19:50:16,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,125 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-06 19:50:16,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,144 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 [2025-02-06 19:50:16,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,146 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-02-06 19:50:16,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,160 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:16,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,169 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-02-06 19:50:16,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,185 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-02-06 19:50:16,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,194 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-06 19:50:16,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:16,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,216 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-06 19:50:16,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-02-06 19:50:16,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,238 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-06 19:50:16,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:50:16,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:50:16,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:50:16,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:16,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,262 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-06 19:50:16,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,278 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,283 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 [2025-02-06 19:50:16,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,285 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-06 19:50:16,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,301 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:16,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,309 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-06 19:50:16,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,326 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-02-06 19:50:16,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,334 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-06 19:50:16,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,356 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 [2025-02-06 19:50:16,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,358 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-06 19:50:16,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-02-06 19:50:16,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,383 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-06 19:50:16,385 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 [2025-02-06 19:50:16,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,398 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2025-02-06 19:50:16,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,406 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-06 19:50:16,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,421 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-02-06 19:50:16,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,429 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-06 19:50:16,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,446 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:50:16,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:16,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,453 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-02-06 19:50:16,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:50:16,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:50:16,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:50:16,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:50:16,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:50:16,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:50:16,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:50:16,474 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:50:16,496 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2025-02-06 19:50:16,496 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2025-02-06 19:50:16,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:50:16,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:50:16,501 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:50:16,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-02-06 19:50:16,502 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:50:16,513 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:50:16,513 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:50:16,513 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_2) = -2*v_rep(select (select #memory_int#2 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_2 + 11 Supporting invariants [] [2025-02-06 19:50:16,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-02-06 19:50:16,528 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2025-02-06 19:50:16,529 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2025-02-06 19:50:16,530 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2025-02-06 19:50:16,530 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~b!base,]]] [2025-02-06 19:50:16,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:16,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:50:16,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:50:16,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:16,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:16,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-06 19:50:16,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:16,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:16,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:16,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:16,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:16,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 19:50:16,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:16,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2025-02-06 19:50:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:50:16,950 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2025-02-06 19:50:16,951 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:50:17,095 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 52 states and 63 transitions. Complement of second has 18 states. [2025-02-06 19:50:17,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-06 19:50:17,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:50:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2025-02-06 19:50:17,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. Stem has 45 letters. Loop has 3 letters. [2025-02-06 19:50:17,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:17,096 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:50:17,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:17,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:50:17,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:50:17,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:17,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:17,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-06 19:50:17,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:17,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:17,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:17,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:17,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:17,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 19:50:17,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:17,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2025-02-06 19:50:17,507 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 [2025-02-06 19:50:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:50:17,522 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2025-02-06 19:50:17,522 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:50:17,656 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 52 states and 63 transitions. Complement of second has 18 states. [2025-02-06 19:50:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-06 19:50:17,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:50:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2025-02-06 19:50:17,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. Stem has 45 letters. Loop has 3 letters. [2025-02-06 19:50:17,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:17,657 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:50:17,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:50:17,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 19:50:17,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 19:50:17,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:17,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:17,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-06 19:50:17,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:17,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:50:17,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:50:17,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:50:17,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:50:17,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 19:50:17,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:50:17,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2025-02-06 19:50:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:50:18,017 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2025-02-06 19:50:18,017 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:50:18,167 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 67 states and 78 transitions. Complement of second has 20 states. [2025-02-06 19:50:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-06 19:50:18,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:50:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2025-02-06 19:50:18,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 45 letters. Loop has 3 letters. [2025-02-06 19:50:18,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:18,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 48 letters. Loop has 3 letters. [2025-02-06 19:50:18,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:18,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 45 letters. Loop has 6 letters. [2025-02-06 19:50:18,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:50:18,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 78 transitions. [2025-02-06 19:50:18,172 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:50:18,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 0 states and 0 transitions. [2025-02-06 19:50:18,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:50:18,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:50:18,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:50:18,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:50:18,172 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:50:18,172 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:50:18,172 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:50:18,172 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-06 19:50:18,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:50:18,173 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:50:18,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:50:18,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:50:18 BoogieIcfgContainer [2025-02-06 19:50:18,178 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:50:18,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:50:18,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:50:18,179 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:50:18,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:49:59" (3/4) ... [2025-02-06 19:50:18,180 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:50:18,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:50:18,182 INFO L158 Benchmark]: Toolchain (without parser) took 18757.47ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 106.5MB in the beginning and 292.3MB in the end (delta: -185.9MB). Peak memory consumption was 120.1MB. Max. memory is 16.1GB. [2025-02-06 19:50:18,182 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:50:18,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.67ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 95.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:50:18,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.57ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 95.0MB in the end (delta: 894.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:50:18,182 INFO L158 Benchmark]: Boogie Preprocessor took 27.57ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:50:18,182 INFO L158 Benchmark]: IcfgBuilder took 245.11ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 80.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:50:18,183 INFO L158 Benchmark]: BuchiAutomizer took 18311.12ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 80.0MB in the beginning and 296.4MB in the end (delta: -216.4MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2025-02-06 19:50:18,183 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 444.6MB. Free memory was 292.4MB in the beginning and 292.3MB in the end (delta: 133.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:50:18,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 145.67ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 95.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.57ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 95.0MB in the end (delta: 894.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.57ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 245.11ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 80.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 18311.12ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 80.0MB in the beginning and 296.4MB in the end (delta: -216.4MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 444.6MB. Free memory was 292.4MB in the beginning and 292.3MB in the end (delta: 133.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~a!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~b!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~b!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 7 locations. One deterministic module has affine ranking function null and consists of 9 locations. One nondeterministic module has affine ranking function null and consists of 9 locations. 4 modules have a trivial ranking function, the largest among these consists of 45 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.2s and 8 iterations. TraceHistogramMax:7. Analysis of lassos took 14.3s. Construction of modules took 0.4s. Büchi inclusion checks took 3.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 99/99 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 219 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 414 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 323 mSDsCounter, 253 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 568 IncrementalHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 253 mSolverCounterUnsat, 91 mSDtfsCounter, 568 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp93 ukn75 mio100 lsp27 div100 bol100 ite100 ukn100 eq213 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-06 19:50:18,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:18,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 19:50:18,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 19:50:18,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE