./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex9.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex9.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 682a48acff360d61f631a6f73c43d35eb5554cb5c1e29a6f88508c15be8e86ce --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:27:44,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:27:44,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-08 14:27:44,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:27:44,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:27:44,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:27:44,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:27:44,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:27:44,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:27:44,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:27:44,824 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:27:44,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:27:44,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:27:44,824 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:27:44,824 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:27:44,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:27:44,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:27:44,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:27:44,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:27:44,826 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:27:44,826 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:27:44,826 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:27:44,826 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:27:44,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:27:44,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:27:44,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:27:44,826 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:27:44,826 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 682a48acff360d61f631a6f73c43d35eb5554cb5c1e29a6f88508c15be8e86ce [2025-02-08 14:27:45,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:27:45,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:27:45,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:27:45,084 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:27:45,084 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:27:45,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex9.i [2025-02-08 14:27:46,600 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dd9e5396d/8e4a434c7cb345ed8738f40b7492c529/FLAGd97fa5341 [2025-02-08 14:27:46,808 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:27:46,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex9.i [2025-02-08 14:27:46,815 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dd9e5396d/8e4a434c7cb345ed8738f40b7492c529/FLAGd97fa5341 [2025-02-08 14:27:46,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dd9e5396d/8e4a434c7cb345ed8738f40b7492c529 [2025-02-08 14:27:46,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:27:46,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:27:46,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:27:46,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:27:46,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:27:46,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:27:46" (1/1) ... [2025-02-08 14:27:46,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31868894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:46, skipping insertion in model container [2025-02-08 14:27:46,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:27:46" (1/1) ... [2025-02-08 14:27:46,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:27:46,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:27:46,994 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:27:47,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:27:47,014 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:27:47,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47 WrapperNode [2025-02-08 14:27:47,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:27:47,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:27:47,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:27:47,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:27:47,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,036 INFO L138 Inliner]: procedures = 11, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2025-02-08 14:27:47,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:27:47,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:27:47,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:27:47,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:27:47,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,058 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [5, 8]. 62 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 7 writes are split as follows [3, 4]. [2025-02-08 14:27:47,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,063 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:27:47,073 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:27:47,073 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:27:47,073 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:27:47,074 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (1/1) ... [2025-02-08 14:27:47,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:47,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:47,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:47,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-08 14:27:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:27:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:27:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2025-02-08 14:27:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2025-02-08 14:27:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 14:27:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:27:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:27:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:27:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:27:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:27:47,178 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:27:47,179 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:27:47,270 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-02-08 14:27:47,270 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:27:47,277 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:27:47,277 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:27:47,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:27:47 BoogieIcfgContainer [2025-02-08 14:27:47,277 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:27:47,278 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:27:47,279 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:27:47,282 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:27:47,283 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:27:47,283 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:27:46" (1/3) ... [2025-02-08 14:27:47,284 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ff080c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:27:47, skipping insertion in model container [2025-02-08 14:27:47,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:27:47,284 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:47" (2/3) ... [2025-02-08 14:27:47,285 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ff080c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:27:47, skipping insertion in model container [2025-02-08 14:27:47,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:27:47,285 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:27:47" (3/3) ... [2025-02-08 14:27:47,286 INFO L363 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex9.i [2025-02-08 14:27:47,324 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:27:47,324 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:27:47,325 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:27:47,325 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:27:47,325 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:27:47,325 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:27:47,325 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:27:47,325 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:27:47,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 14:27:47,340 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2025-02-08 14:27:47,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:47,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:47,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:27:47,345 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:27:47,345 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:27:47,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 14:27:47,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2025-02-08 14:27:47,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:47,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:47,346 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:27:47,346 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:27:47,351 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1;" [2025-02-08 14:27:47,351 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem6#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem6#1 > 1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int#0(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume ~i < 0;call write~int#0(1 + ~i, ~op.base, ~op.offset, 4);" "assume true;" >"#22#return;" "havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem12#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int#1(main_#t~mem11#1 + main_#t~mem12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1;" [2025-02-08 14:27:47,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times [2025-02-08 14:27:47,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:47,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378637013] [2025-02-08 14:27:47,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:47,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:47,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:27:47,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:27:47,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:47,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:47,440 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:47,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:27:47,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:27:47,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:47,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:47,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:47,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:47,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1288103480, now seen corresponding path program 1 times [2025-02-08 14:27:47,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:47,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066264987] [2025-02-08 14:27:47,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:47,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:47,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 14:27:47,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 14:27:47,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:47,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:27:47,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:27:47,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066264987] [2025-02-08 14:27:47,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066264987] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:27:47,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:27:47,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 14:27:47,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947624806] [2025-02-08 14:27:47,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:27:47,714 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-08 14:27:47,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:27:47,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 14:27:47,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 14:27:47,736 INFO L87 Difference]: Start difference. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 14:27:47,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:27:47,813 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2025-02-08 14:27:47,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2025-02-08 14:27:47,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2025-02-08 14:27:47,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 15 transitions. [2025-02-08 14:27:47,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2025-02-08 14:27:47,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2025-02-08 14:27:47,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2025-02-08 14:27:47,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:27:47,825 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2025-02-08 14:27:47,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2025-02-08 14:27:47,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-02-08 14:27:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 14:27:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2025-02-08 14:27:47,844 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2025-02-08 14:27:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 14:27:47,848 INFO L432 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2025-02-08 14:27:47,849 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:27:47,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2025-02-08 14:27:47,849 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2025-02-08 14:27:47,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:47,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:47,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:27:47,850 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:27:47,850 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1;" [2025-02-08 14:27:47,850 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem6#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem6#1 > 1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int#0(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume ~i < 0;call write~int#0(1 + ~i, ~op.base, ~op.offset, 4);" "assume true;" >"#20#return;" "call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);" "assume true;" >"#22#return;" "havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem12#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int#1(main_#t~mem11#1 + main_#t~mem12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1;" [2025-02-08 14:27:47,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:47,851 INFO L85 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 2 times [2025-02-08 14:27:47,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:47,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372272876] [2025-02-08 14:27:47,851 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:27:47,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:47,861 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:27:47,866 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:27:47,867 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:27:47,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:47,867 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:47,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:27:47,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:27:47,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:47,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:47,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:47,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:47,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1585682429, now seen corresponding path program 1 times [2025-02-08 14:27:47,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:47,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109182522] [2025-02-08 14:27:47,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:47,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 14:27:47,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 14:27:47,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:47,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 14:27:48,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:27:48,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109182522] [2025-02-08 14:27:48,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109182522] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:27:48,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725621305] [2025-02-08 14:27:48,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:48,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:27:48,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:48,072 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) [2025-02-08 14:27:48,079 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 [2025-02-08 14:27:48,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 14:27:48,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 14:27:48,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:48,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:48,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 14:27:48,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:48,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2025-02-08 14:27:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 14:27:48,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:27:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 14:27:48,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725621305] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:27:48,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:27:48,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2025-02-08 14:27:48,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261723485] [2025-02-08 14:27:48,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:27:48,425 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-08 14:27:48,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:27:48,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 14:27:48,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-08 14:27:48,426 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 14:27:48,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:27:48,505 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2025-02-08 14:27:48,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2025-02-08 14:27:48,506 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2025-02-08 14:27:48,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 18 transitions. [2025-02-08 14:27:48,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2025-02-08 14:27:48,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2025-02-08 14:27:48,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2025-02-08 14:27:48,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:27:48,507 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2025-02-08 14:27:48,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2025-02-08 14:27:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-02-08 14:27:48,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 14:27:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2025-02-08 14:27:48,508 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2025-02-08 14:27:48,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 14:27:48,509 INFO L432 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2025-02-08 14:27:48,509 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-08 14:27:48,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2025-02-08 14:27:48,510 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2025-02-08 14:27:48,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:48,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:48,510 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:27:48,510 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 14:27:48,510 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1;" [2025-02-08 14:27:48,510 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem6#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem6#1 > 1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int#0(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume ~i < 0;call write~int#0(1 + ~i, ~op.base, ~op.offset, 4);" "assume true;" >"#20#return;" "call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);" "assume true;" >"#20#return;" "call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);" "assume true;" >"#22#return;" "havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem12#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int#1(main_#t~mem11#1 + main_#t~mem12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1;" [2025-02-08 14:27:48,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:48,511 INFO L85 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 3 times [2025-02-08 14:27:48,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:48,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877838348] [2025-02-08 14:27:48,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:27:48,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:48,515 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:27:48,519 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:27:48,519 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 14:27:48,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:48,519 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:48,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:27:48,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:27:48,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:48,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:48,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:48,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:48,525 INFO L85 PathProgramCache]: Analyzing trace with hash 237429864, now seen corresponding path program 2 times [2025-02-08 14:27:48,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:48,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977323500] [2025-02-08 14:27:48,525 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:27:48,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:48,531 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 20 statements into 2 equivalence classes. [2025-02-08 14:27:48,550 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 14:27:48,557 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:27:48,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:48,558 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:48,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 14:27:48,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 14:27:48,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:48,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:48,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:48,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:48,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1580988183, now seen corresponding path program 1 times [2025-02-08 14:27:48,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:48,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210334436] [2025-02-08 14:27:48,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:48,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:48,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 14:27:48,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 14:27:48,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:48,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:48,642 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:48,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 14:27:48,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 14:27:48,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:48,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:48,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:50,031 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:27:50,032 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:27:50,032 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:27:50,032 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:27:50,033 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:27:50,033 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,033 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:27:50,033 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:27:50,033 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex9.i_Iteration3_Lasso [2025-02-08 14:27:50,033 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:27:50,033 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:27:50,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:50,564 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:27:50,570 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:27:50,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-08 14:27:50,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:50,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:50,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:50,599 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:50,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-08 14:27:50,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:50,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:50,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:50,627 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:50,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-08 14:27:50,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:50,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:50,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:50,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-08 14:27:50,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-08 14:27:50,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:50,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:50,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:50,679 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:50,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,686 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-08 14:27:50,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:50,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:50,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:50,701 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,706 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 [2025-02-08 14:27:50,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-08 14:27:50,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:50,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:50,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:50,724 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-08 14:27:50,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-08 14:27:50,733 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 [2025-02-08 14:27:50,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:50,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:50,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:50,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:50,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,756 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-08 14:27:50,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:50,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:50,777 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:50,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,785 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-08 14:27:50,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:50,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:50,802 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-08 14:27:50,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,815 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-08 14:27:50,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:50,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:50,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:50,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,848 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-08 14:27:50,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:50,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:50,868 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:50,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,876 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-08 14:27:50,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:50,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:50,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:50,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:50,893 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-08 14:27:50,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,904 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-08 14:27:50,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:50,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:50,916 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2025-02-08 14:27:50,916 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2025-02-08 14:27:50,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:50,936 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2025-02-08 14:27:50,936 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2025-02-08 14:27:50,986 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:50,994 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 [2025-02-08 14:27:50,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:50,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:50,996 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:50,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-08 14:27:50,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:51,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:51,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:51,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:51,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:51,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:51,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:51,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:51,010 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:51,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:51,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:51,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:51,017 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:51,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-08 14:27:51,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:51,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:51,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:51,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:51,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:51,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:51,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:51,036 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:27:51,047 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-08 14:27:51,049 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-02-08 14:27:51,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:51,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:51,052 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:27:51,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-08 14:27:51,054 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:27:51,065 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:27:51,065 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:27:51,065 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1 Supporting invariants [] [2025-02-08 14:27:51,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:51,085 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2025-02-08 14:27:51,088 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2025-02-08 14:27:51,088 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2025-02-08 14:27:51,089 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~qq~0!base,]]] [2025-02-08 14:27:51,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:51,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:27:51,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:27:51,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:51,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:51,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:27:51,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:51,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 14:27:51,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 14:27:51,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:51,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:51,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 14:27:51,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:51,177 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 43 treesize of output 27 [2025-02-08 14:27:51,194 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 [2025-02-08 14:27:51,498 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2025-02-08 14:27:51,498 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 1 case distinctions, treesize of input 32 treesize of output 24 [2025-02-08 14:27:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-02-08 14:27:51,608 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2025-02-08 14:27:51,609 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 14:27:51,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 21 states and 24 transitions. Complement of second has 5 states. [2025-02-08 14:27:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:27:51,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 14:27:51,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2025-02-08 14:27:51,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 20 letters. [2025-02-08 14:27:51,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:51,641 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-08 14:27:51,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:51,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:27:51,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:27:51,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:51,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:51,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:27:51,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:51,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 14:27:51,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 14:27:51,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:51,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:51,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-02-08 14:27:51,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:51,708 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 43 treesize of output 27 [2025-02-08 14:27:51,713 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 [2025-02-08 14:27:51,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-08 14:27:51,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2025-02-08 14:27:52,007 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2025-02-08 14:27:52,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 14 treesize of output 13 [2025-02-08 14:28:04,301 WARN L286 SmtUtils]: Spent 12.26s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-02-08 14:28:04,709 INFO L349 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2025-02-08 14:28:04,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 82 [2025-02-08 14:28:04,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 14:28:04,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 48 [2025-02-08 14:28:05,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 13 treesize of output 9 [2025-02-08 14:28:05,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2025-02-08 14:28:05,391 INFO L349 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2025-02-08 14:28:05,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 23 [2025-02-08 14:28:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 14:28:06,202 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 13 loop predicates [2025-02-08 14:28:06,203 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 10 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 14:28:08,410 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 10 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Result 53 states and 60 transitions. Complement of second has 36 states. [2025-02-08 14:28:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 1 stem states 10 non-accepting loop states 1 accepting loop states [2025-02-08 14:28:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 10 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 14:28:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2025-02-08 14:28:08,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 16 transitions. Stem has 1 letters. Loop has 20 letters. [2025-02-08 14:28:08,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:28:08,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 16 transitions. Stem has 21 letters. Loop has 20 letters. [2025-02-08 14:28:08,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:28:08,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 16 transitions. Stem has 1 letters. Loop has 40 letters. [2025-02-08 14:28:08,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:28:08,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 60 transitions. [2025-02-08 14:28:08,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:28:08,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 31 states and 36 transitions. [2025-02-08 14:28:08,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-02-08 14:28:08,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-02-08 14:28:08,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2025-02-08 14:28:08,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:28:08,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2025-02-08 14:28:08,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2025-02-08 14:28:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2025-02-08 14:28:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 14:28:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2025-02-08 14:28:08,426 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2025-02-08 14:28:08,426 INFO L432 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2025-02-08 14:28:08,430 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-08 14:28:08,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2025-02-08 14:28:08,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:28:08,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:28:08,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:28:08,431 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-08 14:28:08,431 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:28:08,431 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1;" "assume true;call main_#t~mem6#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem6#1 > 1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int#0(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);"< [2025-02-08 14:28:08,431 INFO L754 eck$LassoCheckResult]: Loop: "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< [2025-02-08 14:28:08,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:08,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1444838, now seen corresponding path program 1 times [2025-02-08 14:28:08,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:28:08,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448145323] [2025-02-08 14:28:08,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:28:08,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:28:08,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:28:08,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:28:08,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:08,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:08,440 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:28:08,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:28:08,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:28:08,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:08,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:08,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:28:08,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:08,450 INFO L85 PathProgramCache]: Analyzing trace with hash 35731, now seen corresponding path program 1 times [2025-02-08 14:28:08,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:28:08,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107591155] [2025-02-08 14:28:08,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:28:08,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:28:08,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:28:08,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:28:08,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:08,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:08,458 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:28:08,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:28:08,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:28:08,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:08,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:08,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:28:08,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:08,465 INFO L85 PathProgramCache]: Analyzing trace with hash 93501838, now seen corresponding path program 1 times [2025-02-08 14:28:08,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:28:08,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612541930] [2025-02-08 14:28:08,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:28:08,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:28:08,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:28:08,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:28:08,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:08,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:08,475 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:28:08,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:28:08,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:28:08,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:08,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:08,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:28:11,983 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:28:11,983 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:28:11,983 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:28:11,983 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:28:11,983 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:28:11,983 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:11,983 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:28:11,983 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:28:11,983 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex9.i_Iteration4_Lasso [2025-02-08 14:28:11,983 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:28:11,983 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:28:11,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:11,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:12,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:28:14,972 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:28:14,972 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:28:14,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:14,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:14,975 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:14,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-08 14:28:14,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:14,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:14,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:14,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:14,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:14,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:14,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:14,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:14,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:14,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-08 14:28:14,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:14,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,001 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-08 14:28:15,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,016 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,024 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-08 14:28:15,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,046 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-08 14:28:15,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,066 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 [2025-02-08 14:28:15,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,068 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-08 14:28:15,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,082 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-08 14:28:15,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,090 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-08 14:28:15,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,104 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-02-08 14:28:15,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,113 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-08 14:28:15,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,126 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,135 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-08 14:28:15,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-02-08 14:28:15,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,160 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-08 14:28:15,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,173 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,181 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-08 14:28:15,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-08 14:28:15,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,202 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-08 14:28:15,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-08 14:28:15,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,224 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-08 14:28:15,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-02-08 14:28:15,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,247 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-08 14:28:15,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,263 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,268 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 [2025-02-08 14:28:15,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,271 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-08 14:28:15,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-02-08 14:28:15,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,292 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-08 14:28:15,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-02-08 14:28:15,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,317 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-08 14:28:15,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-02-08 14:28:15,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,343 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-08 14:28:15,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,356 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,362 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 [2025-02-08 14:28:15,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,365 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-08 14:28:15,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-02-08 14:28:15,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,386 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-08 14:28:15,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,409 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-08 14:28:15,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,435 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,446 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-08 14:28:15,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:28:15,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:28:15,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:28:15,460 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,467 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-08 14:28:15,469 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 [2025-02-08 14:28:15,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:28:15,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:28:15,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,489 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-08 14:28:15,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:28:15,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:28:15,510 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,517 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-08 14:28:15,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:28:15,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:28:15,542 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,558 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-02-08 14:28:15,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:28:15,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:28:15,580 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,587 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-02-08 14:28:15,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,601 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2025-02-08 14:28:15,601 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-08 14:28:15,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,608 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2025-02-08 14:28:15,608 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-08 14:28:15,632 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,640 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-08 14:28:15,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:28:15,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:28:15,664 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:28:15,669 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 [2025-02-08 14:28:15,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,672 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-08 14:28:15,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:28:15,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:28:15,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:28:15,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:28:15,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:28:15,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:28:15,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:28:15,689 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:28:15,702 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-02-08 14:28:15,702 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-02-08 14:28:15,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:28:15,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:15,704 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:28:15,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-08 14:28:15,706 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:28:15,717 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:28:15,717 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:28:15,717 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(rec_#in~i) = 2*rec_#in~i + 1 Supporting invariants [] [2025-02-08 14:28:15,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2025-02-08 14:28:15,728 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2025-02-08 14:28:15,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:15,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:28:15,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:28:15,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:15,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:28:15,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 14:28:15,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:28:15,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:28:15,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:28:15,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:15,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:28:15,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 14:28:15,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:28:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:28:16,087 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-08 14:28:16,087 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:28:16,378 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 61 transitions. Complement of second has 14 states. [2025-02-08 14:28:16,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-08 14:28:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:28:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2025-02-08 14:28:16,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 4 letters. Loop has 3 letters. [2025-02-08 14:28:16,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:28:16,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 7 letters. Loop has 3 letters. [2025-02-08 14:28:16,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:28:16,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 4 letters. Loop has 6 letters. [2025-02-08 14:28:16,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:28:16,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 61 transitions. [2025-02-08 14:28:16,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:28:16,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 43 transitions. [2025-02-08 14:28:16,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2025-02-08 14:28:16,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2025-02-08 14:28:16,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2025-02-08 14:28:16,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:28:16,387 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 43 transitions. [2025-02-08 14:28:16,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2025-02-08 14:28:16,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-02-08 14:28:16,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.125) internal successors, (27), 27 states have internal predecessors, (27), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 14:28:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2025-02-08 14:28:16,395 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 43 transitions. [2025-02-08 14:28:16,395 INFO L432 stractBuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2025-02-08 14:28:16,395 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-08 14:28:16,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 43 transitions. [2025-02-08 14:28:16,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:28:16,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:28:16,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:28:16,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 14:28:16,400 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:28:16,401 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1;" "assume true;call main_#t~mem6#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem6#1 > 1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int#0(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume ~i < 0;call write~int#0(1 + ~i, ~op.base, ~op.offset, 4);" "assume true;" >"#20#return;" "call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);" "assume true;" >"#20#return;" "call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);" "assume true;" >"#22#return;" "havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem12#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int#1(main_#t~mem11#1 + main_#t~mem12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1;" "assume true;call main_#t~mem6#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem6#1 > 1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int#0(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);"< [2025-02-08 14:28:16,401 INFO L754 eck$LassoCheckResult]: Loop: "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< [2025-02-08 14:28:16,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:16,403 INFO L85 PathProgramCache]: Analyzing trace with hash 607606687, now seen corresponding path program 2 times [2025-02-08 14:28:16,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:28:16,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498025420] [2025-02-08 14:28:16,403 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:28:16,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:28:16,413 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-02-08 14:28:16,430 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 14:28:16,430 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:28:16,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:28:16,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2025-02-08 14:28:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 14:28:19,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:28:19,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498025420] [2025-02-08 14:28:19,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498025420] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:28:19,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441226514] [2025-02-08 14:28:19,430 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:28:19,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:28:19,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:28:19,433 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:28:19,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-08 14:28:19,473 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-02-08 14:28:19,493 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 14:28:19,493 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:28:19,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:28:19,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 14:28:19,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:28:19,519 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 29 treesize of output 21 [2025-02-08 14:28:19,545 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 [2025-02-08 14:28:20,871 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_rec_~op.base_38 Int) (v_rec_~op.offset_33 Int)) (let ((.cse0 (select (select |c_#memory_int#0| v_rec_~op.base_38) v_rec_~op.offset_33))) (and (= (store |c_old(#memory_int#0)| v_rec_~op.base_38 (store (select |c_old(#memory_int#0)| v_rec_~op.base_38) v_rec_~op.offset_33 .cse0)) |c_#memory_int#0|) (<= .cse0 0) (<= |c_rec_#in~i| .cse0)))) (exists ((|v_ULTIMATE.start_main_~qq~0#1.base_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_main_~qq~0#1.offset_BEFORE_CALL_3| Int)) (= (select (select |c_#memory_int#1| |v_ULTIMATE.start_main_~qq~0#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_main_~qq~0#1.offset_BEFORE_CALL_3|) 0))) is different from true [2025-02-08 14:28:21,062 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~qq~0#1.base_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_main_~qq~0#1.offset_BEFORE_CALL_3| Int)) (= (select (select |c_#memory_int#1| |v_ULTIMATE.start_main_~qq~0#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_main_~qq~0#1.offset_BEFORE_CALL_3|) 0)) (exists ((v_rec_~op.base_38 Int) (v_rec_~op.offset_33 Int)) (let ((.cse0 (select (select |c_#memory_int#0| v_rec_~op.base_38) v_rec_~op.offset_33))) (and (= (store |c_old(#memory_int#0)| v_rec_~op.base_38 (store (select |c_old(#memory_int#0)| v_rec_~op.base_38) v_rec_~op.offset_33 .cse0)) |c_#memory_int#0|) (<= |c_rec_#in~i| (+ .cse0 1)) (<= .cse0 0))))) is different from true [2025-02-08 14:28:21,397 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2025-02-08 14:28:21,397 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 1 case distinctions, treesize of input 29 treesize of output 25 [2025-02-08 14:28:21,741 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 14:28:21,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 37 [2025-02-08 14:28:21,942 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2025-02-08 14:28:21,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 22 [2025-02-08 14:28:22,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2025-02-08 14:28:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 7 not checked. [2025-02-08 14:28:22,354 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:28:23,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441226514] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:28:23,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 14:28:23,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 28 [2025-02-08 14:28:23,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780850844] [2025-02-08 14:28:23,809 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 14:28:23,810 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:28:23,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:23,810 INFO L85 PathProgramCache]: Analyzing trace with hash 35731, now seen corresponding path program 2 times [2025-02-08 14:28:23,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:28:23,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265882465] [2025-02-08 14:28:23,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:28:23,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:28:23,814 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:28:23,820 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:28:23,820 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:28:23,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:23,821 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:28:23,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:28:23,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:28:23,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:23,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:23,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:28:24,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:28:24,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 14:28:24,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=671, Unknown=2, NotChecked=106, Total=870 [2025-02-08 14:28:24,859 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. cyclomatic complexity: 11 Second operand has 28 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 21 states have internal predecessors, (31), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 14:28:39,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.87s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 14:28:42,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:28:42,153 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2025-02-08 14:28:42,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 62 transitions. [2025-02-08 14:28:42,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:28:42,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 42 states and 53 transitions. [2025-02-08 14:28:42,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2025-02-08 14:28:42,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2025-02-08 14:28:42,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 53 transitions. [2025-02-08 14:28:42,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:28:42,157 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 53 transitions. [2025-02-08 14:28:42,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 53 transitions. [2025-02-08 14:28:42,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2025-02-08 14:28:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 29 states have internal predecessors, (29), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2025-02-08 14:28:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2025-02-08 14:28:42,165 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 47 transitions. [2025-02-08 14:28:42,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 14:28:42,166 INFO L432 stractBuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2025-02-08 14:28:42,166 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-08 14:28:42,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 47 transitions. [2025-02-08 14:28:42,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:28:42,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:28:42,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:28:42,169 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 14:28:42,169 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:28:42,169 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1;" "assume true;call main_#t~mem6#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem6#1 > 1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int#0(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume ~i < 0;call write~int#0(1 + ~i, ~op.base, ~op.offset, 4);" "assume true;" >"#20#return;" "call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);" "assume true;" >"#20#return;" "call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);" "assume true;" >"#20#return;" "call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);" "assume true;" >"#22#return;" "havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem12#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int#1(main_#t~mem11#1 + main_#t~mem12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1;" "assume true;call main_#t~mem6#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem6#1 > 1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int#0(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);"< [2025-02-08 14:28:42,169 INFO L754 eck$LassoCheckResult]: Loop: "~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i;" "assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset;" "call rec(~ip~0.base, ~ip~0.offset, ~i - 1);"< [2025-02-08 14:28:42,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:42,169 INFO L85 PathProgramCache]: Analyzing trace with hash -927051004, now seen corresponding path program 3 times [2025-02-08 14:28:42,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:28:42,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326230116] [2025-02-08 14:28:42,169 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:28:42,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:28:42,179 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 30 statements into 5 equivalence classes. [2025-02-08 14:28:42,193 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 14:28:42,193 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-08 14:28:42,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:42,193 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:28:42,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 14:28:42,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 14:28:42,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:42,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:42,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:28:42,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:42,206 INFO L85 PathProgramCache]: Analyzing trace with hash 35731, now seen corresponding path program 3 times [2025-02-08 14:28:42,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:28:42,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094872049] [2025-02-08 14:28:42,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:28:42,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:28:42,208 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:28:42,208 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:28:42,209 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 14:28:42,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:42,209 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:28:42,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:28:42,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:28:42,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:42,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:42,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:28:42,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:28:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1136740944, now seen corresponding path program 4 times [2025-02-08 14:28:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:28:42,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360569968] [2025-02-08 14:28:42,211 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 14:28:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:28:42,217 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 33 statements into 2 equivalence classes. [2025-02-08 14:28:42,233 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:28:42,234 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 14:28:42,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:42,234 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:28:42,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 14:28:42,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 14:28:42,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:28:42,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:28:42,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:29:08,074 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 187 DAG size of output: 165 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2025-02-08 14:29:13,740 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:29:13,740 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:29:13,740 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:29:13,740 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:29:13,740 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:29:13,740 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:29:13,740 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:29:13,740 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:29:13,740 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex9.i_Iteration6_Lasso [2025-02-08 14:29:13,740 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:29:13,740 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:29:13,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:13,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:16,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:16,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:16,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:16,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:29:16,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true