./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a6f0ceb44f91fbf2c30fb7a6cf4ec4645c0e639d55219bc8a5d1521d1ed7589 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:32:47,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:32:47,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:32:48,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:32:48,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:32:48,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:32:48,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:32:48,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:32:48,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:32:48,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:32:48,020 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:32:48,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:32:48,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:32:48,021 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:32:48,021 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:32:48,021 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:32:48,021 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:32:48,021 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:32:48,021 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:32:48,021 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:32:48,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:32:48,022 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:32:48,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:32:48,023 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:32:48,023 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:32:48,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:32:48,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:32:48,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:32:48,023 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:32:48,023 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/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a6f0ceb44f91fbf2c30fb7a6cf4ec4645c0e639d55219bc8a5d1521d1ed7589 [2025-03-09 07:32:48,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:32:48,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:32:48,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:32:48,264 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:32:48,264 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:32:48,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2025-03-09 07:32:49,362 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/943a771b2/1b33eae0eb804a399be5ddc2dfb70629/FLAG59286508f [2025-03-09 07:32:49,563 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:32:49,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2025-03-09 07:32:49,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/943a771b2/1b33eae0eb804a399be5ddc2dfb70629/FLAG59286508f [2025-03-09 07:32:49,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/943a771b2/1b33eae0eb804a399be5ddc2dfb70629 [2025-03-09 07:32:49,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:32:49,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:32:49,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:32:49,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:32:49,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:32:49,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:32:49" (1/1) ... [2025-03-09 07:32:49,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bafcea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:49, skipping insertion in model container [2025-03-09 07:32:49,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:32:49" (1/1) ... [2025-03-09 07:32:49,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:32:50,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:32:50,064 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:32:50,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:32:50,086 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:32:50,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50 WrapperNode [2025-03-09 07:32:50,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:32:50,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:32:50,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:32:50,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:32:50,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,107 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18 [2025-03-09 07:32:50,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:32:50,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:32:50,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:32:50,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:32:50,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,124 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-09 07:32:50,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,126 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:32:50,132 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:32:50,132 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:32:50,132 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:32:50,133 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (1/1) ... [2025-03-09 07:32:50,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:50,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:50,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-09 07:32:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:32:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:32:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2025-03-09 07:32:50,186 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2025-03-09 07:32:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:32:50,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:32:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure id [2025-03-09 07:32:50,186 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2025-03-09 07:32:50,231 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:32:50,234 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:32:50,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16: havoc #t~ret5; [2025-03-09 07:32:50,299 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11: havoc #t~ret4; [2025-03-09 07:32:50,307 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-03-09 07:32:50,308 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:32:50,315 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:32:50,315 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:32:50,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:32:50 BoogieIcfgContainer [2025-03-09 07:32:50,316 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:32:50,316 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:32:50,316 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:32:50,320 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:32:50,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:32:50,320 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:32:49" (1/3) ... [2025-03-09 07:32:50,321 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5473c7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:32:50, skipping insertion in model container [2025-03-09 07:32:50,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:32:50,321 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:32:50" (2/3) ... [2025-03-09 07:32:50,321 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5473c7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:32:50, skipping insertion in model container [2025-03-09 07:32:50,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:32:50,321 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:32:50" (3/3) ... [2025-03-09 07:32:50,322 INFO L363 chiAutomizerObserver]: Analyzing ICFG id2_i5_o5-1.c [2025-03-09 07:32:50,354 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:32:50,354 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:32:50,354 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:32:50,355 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:32:50,355 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:32:50,356 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:32:50,356 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:32:50,356 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:32:50,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 07:32:50,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-09 07:32:50,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:32:50,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:32:50,379 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-09 07:32:50,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2025-03-09 07:32:50,379 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:32:50,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 07:32:50,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-09 07:32:50,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:32:50,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:32:50,385 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-09 07:32:50,385 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2025-03-09 07:32:50,388 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~input~0#1, main_~result~0#1;main_~input~0#1 := 5;" "call main_#t~ret6#1 := id(main_~input~0#1);"< [2025-03-09 07:32:50,388 INFO L754 eck$LassoCheckResult]: Loop: "~x := #in~x;" "assume !(0 == ~x);" "call #t~ret4 := id2(~x - 1);"< "~x := #in~x;" "assume !(0 == ~x);" "call #t~ret5 := id(~x - 1);"< [2025-03-09 07:32:50,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:32:50,392 INFO L85 PathProgramCache]: Analyzing trace with hash 44666, now seen corresponding path program 1 times [2025-03-09 07:32:50,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:32:50,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676483280] [2025-03-09 07:32:50,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:32:50,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:32:50,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 07:32:50,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 07:32:50,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:32:50,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:32:50,450 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:32:50,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 07:32:50,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 07:32:50,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:32:50,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:32:50,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:32:50,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:32:50,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1537578045, now seen corresponding path program 1 times [2025-03-09 07:32:50,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:32:50,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309957680] [2025-03-09 07:32:50,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:32:50,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:32:50,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 07:32:50,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 07:32:50,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:32:50,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:32:50,470 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:32:50,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 07:32:50,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 07:32:50,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:32:50,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:32:50,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:32:50,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:32:50,476 INFO L85 PathProgramCache]: Analyzing trace with hash -658652170, now seen corresponding path program 1 times [2025-03-09 07:32:50,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:32:50,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421961978] [2025-03-09 07:32:50,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:32:50,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:32:50,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 07:32:50,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 07:32:50,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:32:50,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:32:50,487 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:32:50,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 07:32:50,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 07:32:50,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:32:50,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:32:50,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:32:50,653 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 07:32:50,653 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 07:32:50,654 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 07:32:50,654 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 07:32:50,654 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-09 07:32:50,654 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,654 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 07:32:50,655 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 07:32:50,655 INFO L132 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5-1.c_Iteration1_Loop [2025-03-09 07:32:50,655 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 07:32:50,655 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 07:32:50,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:50,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:50,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:50,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:50,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:50,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:50,779 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 07:32:50,780 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-09 07:32:50,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:50,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:50,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-09 07:32:50,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 07:32:50,786 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 07:32:50,800 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 07:32:50,800 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 07:32:50,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-03-09 07:32:50,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:50,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:50,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-09 07:32:50,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 07:32:50,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 07:32:50,823 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 07:32:50,823 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 07:32:50,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-03-09 07:32:50,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:50,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:50,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-09 07:32:50,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 07:32:50,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 07:32:50,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-03-09 07:32:50,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:50,850 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:50,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-09 07:32:50,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 07:32:50,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 07:32:50,878 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 07:32:50,878 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-5} Honda state: {id_#in~x=-5} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=-1}, {id_#in~x=0}] Lambdas: [1, 1, 0] Nus: [0, 1] [2025-03-09 07:32:50,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-03-09 07:32:50,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:50,886 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:50,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-09 07:32:50,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 07:32:50,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 07:32:50,900 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 07:32:50,900 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret5=0} Honda state: {id2_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 07:32:50,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-09 07:32:50,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:50,907 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:50,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-09 07:32:50,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 07:32:50,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 07:32:50,919 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 07:32:50,919 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret4=0} Honda state: {id_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 07:32:50,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-03-09 07:32:50,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:50,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:50,927 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:50,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-09 07:32:50,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 07:32:50,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 07:32:50,939 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 07:32:50,939 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-09 07:32:50,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-03-09 07:32:51,113 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 07:32:51,113 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 07:32:51,113 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 07:32:51,113 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 07:32:51,113 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 07:32:51,113 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,113 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 07:32:51,113 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 07:32:51,114 INFO L132 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5-1.c_Iteration1_Lasso [2025-03-09 07:32:51,114 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 07:32:51,114 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 07:32:51,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 07:32:51,338 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 07:32:51,341 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 07:32:51,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-09 07:32:51,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 07:32:51,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 07:32:51,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 07:32:51,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-03-09 07:32:51,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-09 07:32:51,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,390 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-03-09 07:32:51,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,397 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-09 07:32:51,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,416 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-03-09 07:32:51,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,424 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-09 07:32:51,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 07:32:51,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 07:32:51,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 07:32:51,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-09 07:32:51,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,446 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-09 07:32:51,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,463 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-03-09 07:32:51,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,471 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-09 07:32:51,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,489 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-03-09 07:32:51,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,497 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-09 07:32:51,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,517 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-03-09 07:32:51,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,524 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-03-09 07:32:51,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,542 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-03-09 07:32:51,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,549 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-03-09 07:32:51,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,568 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-03-09 07:32:51,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,575 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-09 07:32:51,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,593 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-03-09 07:32:51,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,602 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-03-09 07:32:51,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 07:32:51,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 07:32:51,619 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-03-09 07:32:51,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,626 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-03-09 07:32:51,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 07:32:51,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 07:32:51,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 07:32:51,641 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-03-09 07:32:51,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,649 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-03-09 07:32:51,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 07:32:51,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 07:32:51,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 07:32:51,663 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-03-09 07:32:51,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,671 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-03-09 07:32:51,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 07:32:51,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 07:32:51,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 07:32:51,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 07:32:51,688 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 07:32:51,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-03-09 07:32:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,697 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-03-09 07:32:51,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 07:32:51,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 07:32:51,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 07:32:51,710 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-03-09 07:32:51,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 07:32:51,715 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2025-03-09 07:32:51,715 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-03-09 07:32:51,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 07:32:51,743 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-03-09 07:32:51,745 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-03-09 07:32:51,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:32:51,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:32:51,748 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:32:51,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-03-09 07:32:51,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 07:32:51,762 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2025-03-09 07:32:51,762 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 07:32:51,762 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2025-03-09 07:32:51,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-03-09 07:32:51,775 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2025-03-09 07:32:51,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:32:51,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 07:32:51,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 07:32:51,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:32:51,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:32:51,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 07:32:51,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 07:32:51,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 07:32:51,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 07:32:51,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:32:51,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:32:51,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 07:32:51,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 07:32:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:32:51,984 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2025-03-09 07:32:51,986 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 8 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:32:52,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-03-09 07:32:52,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 8 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 63 transitions. Complement of second has 27 states. [2025-03-09 07:32:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 7 non-accepting loop states 1 accepting loop states [2025-03-09 07:32:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:32:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 16 transitions. [2025-03-09 07:32:52,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 16 transitions. Stem has 3 letters. Loop has 6 letters. [2025-03-09 07:32:52,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 07:32:52,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 16 transitions. Stem has 9 letters. Loop has 6 letters. [2025-03-09 07:32:52,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 07:32:52,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 16 transitions. Stem has 3 letters. Loop has 12 letters. [2025-03-09 07:32:52,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 07:32:52,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 63 transitions. [2025-03-09 07:32:52,219 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 07:32:52,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 0 states and 0 transitions. [2025-03-09 07:32:52,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-09 07:32:52,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-09 07:32:52,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-09 07:32:52,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:32:52,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 07:32:52,222 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 07:32:52,222 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 07:32:52,222 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:32:52,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-09 07:32:52,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 07:32:52,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-09 07:32:52,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:32:52 BoogieIcfgContainer [2025-03-09 07:32:52,228 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:32:52,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:32:52,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:32:52,229 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:32:52,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:32:50" (3/4) ... [2025-03-09 07:32:52,231 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 07:32:52,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:32:52,232 INFO L158 Benchmark]: Toolchain (without parser) took 2297.90ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 107.6MB in the end (delta: 141.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:32:52,232 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:32:52,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 152.78ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 96.9MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:32:52,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.68ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 95.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:32:52,233 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:32:52,233 INFO L158 Benchmark]: IcfgBuilder took 183.37ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 85.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:32:52,233 INFO L158 Benchmark]: BuchiAutomizer took 1911.81ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 107.6MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:32:52,233 INFO L158 Benchmark]: Witness Printer took 2.89ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.6MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:32:52,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 152.78ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 96.9MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.68ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 95.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 183.37ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 85.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1911.81ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 107.6MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.89ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.6MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 11 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital42 mio100 ax100 hnf100 lsp65 ukn88 mio100 lsp100 div100 bol100 ite100 ukn100 eq199 hnf96 smp100 dnf236 smp45 tf103 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 66ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-09 07:32:52,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE