./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce057761c66e7025e367ba93d275e71dea4e6dc273a0ba7c5cecd0f774a5d453 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:05:18,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:05:18,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-06 19:05:19,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:05:19,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:05:19,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:05:19,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:05:19,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:05:19,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:05:19,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:05:19,040 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:05:19,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:05:19,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:05:19,041 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:05:19,042 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:05:19,042 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:05:19,042 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:05:19,042 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:05:19,042 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:05:19,042 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:05:19,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:05:19,043 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:05:19,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:05:19,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:05:19,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:05:19,044 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:05:19,044 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 -> ce057761c66e7025e367ba93d275e71dea4e6dc273a0ba7c5cecd0f774a5d453 [2025-02-06 19:05:19,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:05:19,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:05:19,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:05:19,338 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:05:19,339 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:05:19,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i [2025-02-06 19:05:20,627 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b26f582b/d4835643ce544375a92bd52a5d2f7125/FLAGfc73b983d [2025-02-06 19:05:20,914 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:05:20,914 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i [2025-02-06 19:05:20,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b26f582b/d4835643ce544375a92bd52a5d2f7125/FLAGfc73b983d [2025-02-06 19:05:20,937 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b26f582b/d4835643ce544375a92bd52a5d2f7125 [2025-02-06 19:05:20,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:05:20,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:05:20,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:05:20,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:05:20,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:05:20,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:05:20" (1/1) ... [2025-02-06 19:05:20,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16aa91cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:20, skipping insertion in model container [2025-02-06 19:05:20,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:05:20" (1/1) ... [2025-02-06 19:05:20,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:05:21,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:05:21,250 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:05:21,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:05:21,316 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:05:21,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21 WrapperNode [2025-02-06 19:05:21,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:05:21,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:05:21,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:05:21,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:05:21,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,354 INFO L138 Inliner]: procedures = 111, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2025-02-06 19:05:21,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:05:21,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:05:21,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:05:21,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:05:21,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,377 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [4, 4, 2]. 40 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 5 writes are split as follows [2, 2, 1]. [2025-02-06 19:05:21,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,381 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:05:21,387 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:05:21,387 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:05:21,387 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:05:21,388 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (1/1) ... [2025-02-06 19:05:21,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:21,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:21,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:21,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:05:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 19:05:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 19:05:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 19:05:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 19:05:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 19:05:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 19:05:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 19:05:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 19:05:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:05:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:05:21,552 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:05:21,553 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:05:21,698 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L564: havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;havoc main_#t~ret12#1; [2025-02-06 19:05:21,700 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L561: havoc test_fun_#t~mem9#1;call ULTIMATE.dealloc(test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset);havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call ULTIMATE.dealloc(test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset);havoc test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call ULTIMATE.dealloc(test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset);havoc test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset; [2025-02-06 19:05:21,711 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-06 19:05:21,715 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:05:21,724 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:05:21,725 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:05:21,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:05:21 BoogieIcfgContainer [2025-02-06 19:05:21,726 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:05:21,727 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:05:21,727 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:05:21,732 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:05:21,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:05:21,733 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:05:20" (1/3) ... [2025-02-06 19:05:21,734 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e82be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:05:21, skipping insertion in model container [2025-02-06 19:05:21,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:05:21,735 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:21" (2/3) ... [2025-02-06 19:05:21,735 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e82be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:05:21, skipping insertion in model container [2025-02-06 19:05:21,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:05:21,736 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:05:21" (3/3) ... [2025-02-06 19:05:21,737 INFO L363 chiAutomizerObserver]: Analyzing ICFG b.16-alloca.i [2025-02-06 19:05:21,776 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:05:21,776 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:05:21,776 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:05:21,776 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:05:21,777 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:05:21,777 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:05:21,777 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:05:21,777 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:05:21,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:21,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-06 19:05:21,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:05:21,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:05:21,798 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 19:05:21,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 19:05:21,798 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:05:21,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:21,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-06 19:05:21,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:05:21,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:05:21,800 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 19:05:21,800 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 19:05:21,804 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~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);" [2025-02-06 19:05:21,804 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);" "assume test_fun_#t~mem5#1 > 0;havoc test_fun_#t~mem5#1;" "assume !true;" "call test_fun_#t~mem8#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem8#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1;" [2025-02-06 19:05:21,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:21,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1568, now seen corresponding path program 1 times [2025-02-06 19:05:21,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:21,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17419671] [2025-02-06 19:05:21,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:21,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:21,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:21,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:21,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:21,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:21,929 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:21,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:21,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:21,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:21,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:21,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:21,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:21,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1414041, now seen corresponding path program 1 times [2025-02-06 19:05:21,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:21,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292821626] [2025-02-06 19:05:21,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:21,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:21,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:05:21,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:05:21,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:21,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:05:22,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:05:22,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292821626] [2025-02-06 19:05:22,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292821626] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:05:22,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:05:22,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:05:22,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193899169] [2025-02-06 19:05:22,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:05:22,024 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:05:22,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:05:22,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 19:05:22,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 19:05:22,049 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:22,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:05:22,053 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2025-02-06 19:05:22,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2025-02-06 19:05:22,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-06 19:05:22,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2025-02-06 19:05:22,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2025-02-06 19:05:22,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2025-02-06 19:05:22,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2025-02-06 19:05:22,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:05:22,060 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-02-06 19:05:22,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2025-02-06 19:05:22,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-02-06 19:05:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2025-02-06 19:05:22,080 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-02-06 19:05:22,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 19:05:22,084 INFO L432 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-02-06 19:05:22,084 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:05:22,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2025-02-06 19:05:22,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-06 19:05:22,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:05:22,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:05:22,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 19:05:22,085 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-06 19:05:22,085 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);" [2025-02-06 19:05:22,085 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);" "assume test_fun_#t~mem5#1 > 0;havoc test_fun_#t~mem5#1;" "assume true;call test_fun_#t~mem6#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);" "assume !(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1;" "call test_fun_#t~mem8#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem8#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1;" [2025-02-06 19:05:22,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:22,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1568, now seen corresponding path program 2 times [2025-02-06 19:05:22,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:22,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209155925] [2025-02-06 19:05:22,087 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:05:22,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:22,106 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:22,126 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:22,126 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:05:22,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:22,126 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:22,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:22,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:22,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:22,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:22,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:22,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:22,159 INFO L85 PathProgramCache]: Analyzing trace with hash 43834410, now seen corresponding path program 1 times [2025-02-06 19:05:22,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:22,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012845913] [2025-02-06 19:05:22,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:22,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:22,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:05:22,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:05:22,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:22,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:22,173 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:22,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:05:22,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:05:22,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:22,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:22,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:22,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:22,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1956041067, now seen corresponding path program 1 times [2025-02-06 19:05:22,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:22,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982471863] [2025-02-06 19:05:22,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:22,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:22,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:05:22,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:05:22,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:22,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:22,231 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:22,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:05:22,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:05:22,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:22,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:22,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:23,031 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:05:23,032 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:05:23,032 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:05:23,032 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:05:23,032 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:05:23,032 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:23,033 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:05:23,033 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:05:23,033 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration2_Lasso [2025-02-06 19:05:23,033 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:05:23,033 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:05:23,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:23,844 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:05:23,847 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:05:23,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:23,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:23,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:23,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-06 19:05:23,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:23,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:23,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:23,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:23,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:23,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:23,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:23,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:23,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:23,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-06 19:05:23,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:23,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:23,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:23,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-06 19:05:23,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:23,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:23,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:23,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:23,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:23,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:23,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:23,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:23,907 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:23,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-06 19:05:23,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:23,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:23,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:23,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-06 19:05:23,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:23,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:23,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:23,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:23,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:23,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:23,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:23,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:23,932 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:23,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-06 19:05:23,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:23,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:23,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:23,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-06 19:05:23,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:23,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:23,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:23,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:23,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:23,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:23,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:23,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:23,967 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 [2025-02-06 19:05:23,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:23,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:23,971 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:23,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-06 19:05:23,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:23,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:23,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:23,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:23,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:23,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:23,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:23,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:23,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:23,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-06 19:05:23,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:23,999 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-06 19:05:24,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:24,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:24,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-06 19:05:24,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,032 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-06 19:05:24,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:24,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:24,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:24,053 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-06 19:05:24,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,064 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-06 19:05:24,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:24,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:24,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:24,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-06 19:05:24,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,099 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-06 19:05:24,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:24,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:24,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-06 19:05:24,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,125 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-06 19:05:24,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:24,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:24,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-06 19:05:24,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,174 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-06 19:05:24,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:24,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:24,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:24,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,205 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-06 19:05:24,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:24,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:24,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-06 19:05:24,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,239 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-06 19:05:24,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:24,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:24,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,263 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 [2025-02-06 19:05:24,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,265 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-06 19:05:24,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:24,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:24,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:24,279 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-06 19:05:24,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,286 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-06 19:05:24,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:24,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:24,306 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:24,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-06 19:05:24,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,316 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-06 19:05:24,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:24,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:24,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:24,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:24,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:24,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:24,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:24,341 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:05:24,357 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-06 19:05:24,361 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-02-06 19:05:24,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:24,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:24,368 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:24,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-06 19:05:24,369 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:05:24,382 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:05:24,383 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:05:24,383 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1 Supporting invariants [] [2025-02-06 19:05:24,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:24,452 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2025-02-06 19:05:24,456 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2025-02-06 19:05:24,458 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2025-02-06 19:05:24,458 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2025-02-06 19:05:24,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:24,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:24,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:24,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:24,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:24,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:05:24,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:05:24,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:05:24,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:05:24,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:24,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:24,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:05:24,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:05:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:05:24,613 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 [2025-02-06 19:05:24,615 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:24,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 15 transitions. Complement of second has 6 states. [2025-02-06 19:05:24,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-06 19:05:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2025-02-06 19:05:24,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2025-02-06 19:05:24,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:24,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2025-02-06 19:05:24,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:24,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2025-02-06 19:05:24,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:24,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2025-02-06 19:05:24,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:05:24,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2025-02-06 19:05:24,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2025-02-06 19:05:24,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-02-06 19:05:24,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2025-02-06 19:05:24,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:05:24,693 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2025-02-06 19:05:24,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2025-02-06 19:05:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-02-06 19:05:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:24,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2025-02-06 19:05:24,694 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2025-02-06 19:05:24,694 INFO L432 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2025-02-06 19:05:24,694 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:05:24,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2025-02-06 19:05:24,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:05:24,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:05:24,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:05:24,694 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:05:24,694 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:05:24,695 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~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);" "assume true;call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);" "assume test_fun_#t~mem5#1 > 0;havoc test_fun_#t~mem5#1;" [2025-02-06 19:05:24,695 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call test_fun_#t~mem6#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);" "assume test_fun_#t~mem6#1 > 0;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem7#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1;" [2025-02-06 19:05:24,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:24,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1507358, now seen corresponding path program 1 times [2025-02-06 19:05:24,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:24,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706679617] [2025-02-06 19:05:24,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:24,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:24,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:05:24,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:05:24,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:24,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:24,739 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:24,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:05:24,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:05:24,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:24,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:24,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:24,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:24,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1344, now seen corresponding path program 1 times [2025-02-06 19:05:24,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:24,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080636849] [2025-02-06 19:05:24,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:24,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:24,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:24,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:24,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:24,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:24,776 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:24,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:24,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:24,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:24,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:24,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:24,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:24,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1448571421, now seen corresponding path program 1 times [2025-02-06 19:05:24,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:24,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443305203] [2025-02-06 19:05:24,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:24,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:24,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:05:24,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:05:24,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:24,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:24,813 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:24,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:05:24,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:05:24,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:24,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:24,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:25,459 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:05:25,459 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:05:25,459 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:05:25,459 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:05:25,459 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:05:25,459 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:25,459 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:05:25,459 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:05:25,459 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration3_Lasso [2025-02-06 19:05:25,459 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:05:25,460 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:05:25,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,587 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 [2025-02-06 19:05:25,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:25,949 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:05:25,949 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:05:25,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:25,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:25,956 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:25,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:25,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-06 19:05:25,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:25,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:25,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:25,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:25,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:25,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:25,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:25,971 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:25,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-06 19:05:25,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:25,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:25,979 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:25,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-06 19:05:25,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:25,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:25,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:25,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:25,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:25,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:25,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:25,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:25,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:26,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,002 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-06 19:05:26,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:26,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:26,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:26,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-06 19:05:26,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,022 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-06 19:05:26,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:26,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:26,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:26,035 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-02-06 19:05:26,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,043 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-06 19:05:26,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-06 19:05:26,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,069 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-06 19:05:26,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:26,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,098 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-06 19:05:26,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,122 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-02-06 19:05:26,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,131 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-06 19:05:26,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:26,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,161 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-06 19:05:26,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,181 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-06 19:05:26,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,191 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-06 19:05:26,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-06 19:05:26,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,225 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-06 19:05:26,227 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 [2025-02-06 19:05:26,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-06 19:05:26,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,249 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-06 19:05:26,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,266 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,273 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 [2025-02-06 19:05:26,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,276 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-06 19:05:26,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,294 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-02-06 19:05:26,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,302 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-06 19:05:26,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:26,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,329 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-06 19:05:26,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:26,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:26,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:26,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:26,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,363 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-06 19:05:26,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:26,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:26,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:26,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:26,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:26,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:26,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:26,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:26,383 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:05:26,387 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 19:05:26,387 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 19:05:26,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:26,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:26,389 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:26,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-06 19:05:26,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:05:26,392 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:05:26,392 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:05:26,392 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2 Supporting invariants [] [2025-02-06 19:05:26,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:26,431 INFO L156 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2025-02-06 19:05:26,432 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2025-02-06 19:05:26,432 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2025-02-06 19:05:26,433 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2025-02-06 19:05:26,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:26,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:05:26,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:05:26,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:26,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:26,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 19:05:26,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:05:26,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:26,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:26,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:26,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:26,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:05:26,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:05:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:05:26,495 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-06 19:05:26,495 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:26,512 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 30 transitions. Complement of second has 6 states. [2025-02-06 19:05:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-06 19:05:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:05:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2025-02-06 19:05:26,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2025-02-06 19:05:26,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:26,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-06 19:05:26,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:26,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 4 letters. [2025-02-06 19:05:26,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:26,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2025-02-06 19:05:26,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:05:26,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2025-02-06 19:05:26,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:05:26,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:05:26,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:05:26,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:05:26,517 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:05:26,517 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:05:26,517 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:05:26,517 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:05:26,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:05:26,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:05:26,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:05:26,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:05:26 BoogieIcfgContainer [2025-02-06 19:05:26,527 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:05:26,528 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:05:26,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:05:26,528 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:05:26,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:05:21" (3/4) ... [2025-02-06 19:05:26,531 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:05:26,531 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:05:26,533 INFO L158 Benchmark]: Toolchain (without parser) took 5591.75ms. Allocated memory is still 201.3MB. Free memory was 156.5MB in the beginning and 97.7MB in the end (delta: 58.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2025-02-06 19:05:26,533 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:05:26,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.88ms. Allocated memory is still 201.3MB. Free memory was 156.2MB in the beginning and 140.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:05:26,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.38ms. Allocated memory is still 201.3MB. Free memory was 140.2MB in the beginning and 139.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:05:26,534 INFO L158 Benchmark]: Boogie Preprocessor took 31.34ms. Allocated memory is still 201.3MB. Free memory was 139.0MB in the beginning and 137.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:05:26,535 INFO L158 Benchmark]: IcfgBuilder took 339.34ms. Allocated memory is still 201.3MB. Free memory was 137.5MB in the beginning and 124.5MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:05:26,535 INFO L158 Benchmark]: BuchiAutomizer took 4800.20ms. Allocated memory is still 201.3MB. Free memory was 124.5MB in the beginning and 97.7MB in the end (delta: 26.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2025-02-06 19:05:26,535 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 201.3MB. Free memory was 97.7MB in the beginning and 97.7MB in the end (delta: 55.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:05:26,537 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.88ms. Allocated memory is still 201.3MB. Free memory was 156.2MB in the beginning and 140.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.38ms. Allocated memory is still 201.3MB. Free memory was 140.2MB in the beginning and 139.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.34ms. Allocated memory is still 201.3MB. Free memory was 139.0MB in the beginning and 137.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 339.34ms. Allocated memory is still 201.3MB. Free memory was 137.5MB in the beginning and 124.5MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4800.20ms. Allocated memory is still 201.3MB. Free memory was 124.5MB in the beginning and 97.7MB in the end (delta: 26.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 201.3MB. Free memory was 97.7MB in the beginning and 97.7MB in the end (delta: 55.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 25 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital199 mio100 ax109 hnf100 lsp90 ukn64 mio100 lsp29 div100 bol100 ite100 ukn100 eq160 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-06 19:05:26,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:26,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE