./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.12.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8fc3dc66 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/termination-restricted-15/b.12.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 640b8fd5c71f51509139c5a180a4d7fcd9c913685cbc00020531a66381fc7b29 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:53:25,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:53:25,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-17 19:53:25,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:53:25,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:53:25,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-17 19:53:25,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:53:25,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:53:25,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:53:25,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:53:25,938 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:53:25,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:53:25,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:53:25,938 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:53:25,939 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-17 19:53:25,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:53:25,939 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:53:25,940 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:53:25,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:53:25,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:53:25,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:53:25,940 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-17 19:53:25,940 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 640b8fd5c71f51509139c5a180a4d7fcd9c913685cbc00020531a66381fc7b29 [2025-03-17 19:53:26,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:53:26,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:53:26,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:53:26,183 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:53:26,183 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:53:26,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.12.c [2025-03-17 19:53:27,306 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1089f3981/198d69f85bfd46ef902b2dabc04bd120/FLAG1e1421147 [2025-03-17 19:53:27,515 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:53:27,517 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.12.c [2025-03-17 19:53:27,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1089f3981/198d69f85bfd46ef902b2dabc04bd120/FLAG1e1421147 [2025-03-17 19:53:27,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1089f3981/198d69f85bfd46ef902b2dabc04bd120 [2025-03-17 19:53:27,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:53:27,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:53:27,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:53:27,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:53:27,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:53:27,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:53:27" (1/1) ... [2025-03-17 19:53:27,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55065076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:27, skipping insertion in model container [2025-03-17 19:53:27,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:53:27" (1/1) ... [2025-03-17 19:53:27,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:53:27,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:53:27,999 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:53:28,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:53:28,016 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:53:28,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28 WrapperNode [2025-03-17 19:53:28,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:53:28,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:53:28,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:53:28,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:53:28,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,035 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2025-03-17 19:53:28,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:53:28,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:53:28,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:53:28,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:53:28,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,046 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-17 19:53:28,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,047 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:53:28,049 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:53:28,049 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:53:28,049 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:53:28,049 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (1/1) ... [2025-03-17 19:53:28,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,075 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) [2025-03-17 19:53:28,081 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 [2025-03-17 19:53:28,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:53:28,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:53:28,140 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:53:28,141 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:53:28,196 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-03-17 19:53:28,196 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:53:28,201 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:53:28,202 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 19:53:28,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:53:28 BoogieIcfgContainer [2025-03-17 19:53:28,202 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:53:28,203 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-17 19:53:28,203 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-17 19:53:28,206 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-17 19:53:28,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:53:28,207 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.03 07:53:27" (1/3) ... [2025-03-17 19:53:28,207 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70659be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 07:53:28, skipping insertion in model container [2025-03-17 19:53:28,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:53:28,208 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:53:28" (2/3) ... [2025-03-17 19:53:28,208 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70659be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 07:53:28, skipping insertion in model container [2025-03-17 19:53:28,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:53:28,208 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:53:28" (3/3) ... [2025-03-17 19:53:28,209 INFO L363 chiAutomizerObserver]: Analyzing ICFG b.12.c [2025-03-17 19:53:28,243 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-17 19:53:28,243 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-17 19:53:28,243 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-17 19:53:28,243 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-17 19:53:28,243 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-17 19:53:28,243 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-17 19:53:28,243 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-17 19:53:28,243 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-17 19:53:28,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:28,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-17 19:53:28,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:53:28,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:53:28,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 19:53:28,259 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 19:53:28,259 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-17 19:53:28,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:28,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-17 19:53:28,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:53:28,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:53:28,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 19:53:28,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-17 19:53:28,265 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0;" [2025-03-17 19:53:28,265 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0 || main_~y~0#1 > 0;" "assume main_~x~0#1 > 0;main_~x~0#1 := main_~x~0#1 - 1;" [2025-03-17 19:53:28,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:28,269 INFO L85 PathProgramCache]: Analyzing trace with hash 37, now seen corresponding path program 1 times [2025-03-17 19:53:28,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:28,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261685193] [2025-03-17 19:53:28,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:28,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:28,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 19:53:28,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 19:53:28,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:28,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:28,321 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:28,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 19:53:28,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 19:53:28,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:28,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:28,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:28,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:28,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1117, now seen corresponding path program 1 times [2025-03-17 19:53:28,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:28,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772127462] [2025-03-17 19:53:28,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:28,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:28,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:28,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:28,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:28,348 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:28,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:28,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:28,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:28,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:28,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:28,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:28,355 INFO L85 PathProgramCache]: Analyzing trace with hash 35713, now seen corresponding path program 1 times [2025-03-17 19:53:28,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:28,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905573939] [2025-03-17 19:53:28,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:28,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:28,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:28,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:28,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:28,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:28,369 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:28,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:28,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:28,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:28,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:28,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:28,431 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 19:53:28,432 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 19:53:28,433 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 19:53:28,433 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 19:53:28,433 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-17 19:53:28,433 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,434 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 19:53:28,434 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 19:53:28,434 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration1_Loop [2025-03-17 19:53:28,434 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 19:53:28,434 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 19:53:28,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:28,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:28,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:28,531 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 19:53:28,531 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-17 19:53:28,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,536 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) [2025-03-17 19:53:28,537 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 [2025-03-17 19:53:28,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:53:28,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:28,565 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:53:28,565 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:53:28,572 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 [2025-03-17 19:53:28,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,576 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) [2025-03-17 19:53:28,577 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 [2025-03-17 19:53:28,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:53:28,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:28,602 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:53:28,603 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:53:28,611 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 [2025-03-17 19:53:28,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,614 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) [2025-03-17 19:53:28,615 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 [2025-03-17 19:53:28,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:53:28,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:28,638 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 [2025-03-17 19:53:28,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,641 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) [2025-03-17 19:53:28,641 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 [2025-03-17 19:53:28,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 19:53:28,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:28,667 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-17 19:53:28,671 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 [2025-03-17 19:53:28,672 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 19:53:28,672 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 19:53:28,672 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 19:53:28,672 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 19:53:28,672 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 19:53:28,672 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,672 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 19:53:28,672 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 19:53:28,672 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration1_Loop [2025-03-17 19:53:28,672 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 19:53:28,672 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 19:53:28,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:28,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:28,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:28,737 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 19:53:28,743 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 19:53:28,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,746 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) [2025-03-17 19:53:28,747 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 [2025-03-17 19:53:28,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 19:53:28,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 19:53:28,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 19:53:28,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 19:53:28,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 19:53:28,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 19:53:28,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 19:53:28,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 19:53:28,787 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 [2025-03-17 19:53:28,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,789 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) [2025-03-17 19:53:28,792 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 [2025-03-17 19:53:28,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 19:53:28,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 19:53:28,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 19:53:28,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 19:53:28,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 19:53:28,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 19:53:28,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 19:53:28,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 19:53:28,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-03-17 19:53:28,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,819 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) [2025-03-17 19:53:28,820 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 [2025-03-17 19:53:28,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 19:53:28,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 19:53:28,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 19:53:28,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 19:53:28,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 19:53:28,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 19:53:28,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 19:53:28,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 19:53:28,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 19:53:28,842 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-17 19:53:28,844 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-17 19:53:28,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:28,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:28,887 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) [2025-03-17 19:53:28,888 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 [2025-03-17 19:53:28,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 19:53:28,890 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-17 19:53:28,890 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 19:53:28,891 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2025-03-17 19:53:28,898 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 [2025-03-17 19:53:28,901 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-17 19:53:28,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:28,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 19:53:28,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 19:53:28,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:28,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:53:28,937 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 19:53:28,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:53:28,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:28,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:28,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:28,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:53:28,944 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 19:53:28,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:53:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:53:28,971 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-17 19:53:28,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:28,997 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 20 transitions. Complement of second has 5 states. [2025-03-17 19:53:28,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-17 19:53:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2025-03-17 19:53:29,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. [2025-03-17 19:53:29,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 19:53:29,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2025-03-17 19:53:29,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 19:53:29,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. [2025-03-17 19:53:29,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 19:53:29,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 20 transitions. [2025-03-17 19:53:29,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-17 19:53:29,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 10 states and 15 transitions. [2025-03-17 19:53:29,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2025-03-17 19:53:29,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-03-17 19:53:29,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2025-03-17 19:53:29,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 19:53:29,011 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2025-03-17 19:53:29,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2025-03-17 19:53:29,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-03-17 19:53:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2025-03-17 19:53:29,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 14 transitions. [2025-03-17 19:53:29,026 INFO L432 stractBuchiCegarLoop]: Abstraction has 9 states and 14 transitions. [2025-03-17 19:53:29,026 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-17 19:53:29,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 14 transitions. [2025-03-17 19:53:29,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-17 19:53:29,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:53:29,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:53:29,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-17 19:53:29,027 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-17 19:53:29,027 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0;" "assume main_~x~0#1 > 0 || main_~y~0#1 > 0;" [2025-03-17 19:53:29,027 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_~x~0#1 > 0);" "assume main_~y~0#1 > 0;main_~y~0#1 := main_~y~0#1 - 1;" "assume main_~x~0#1 > 0 || main_~y~0#1 > 0;" [2025-03-17 19:53:29,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:29,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1152, now seen corresponding path program 1 times [2025-03-17 19:53:29,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:29,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056398420] [2025-03-17 19:53:29,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:29,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:29,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:29,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:29,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:29,031 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:29,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:29,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:29,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:29,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:29,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:29,034 INFO L85 PathProgramCache]: Analyzing trace with hash 33702, now seen corresponding path program 1 times [2025-03-17 19:53:29,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:29,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132655138] [2025-03-17 19:53:29,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:29,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:29,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:29,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:29,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:29,040 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:29,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:29,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:29,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:29,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:29,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:29,046 INFO L85 PathProgramCache]: Analyzing trace with hash 34323143, now seen corresponding path program 1 times [2025-03-17 19:53:29,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:29,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962787303] [2025-03-17 19:53:29,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:29,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 19:53:29,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 19:53:29,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:29,051 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:29,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 19:53:29,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 19:53:29,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:29,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:29,079 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 19:53:29,080 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 19:53:29,080 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 19:53:29,080 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 19:53:29,080 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-17 19:53:29,080 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,080 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 19:53:29,080 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 19:53:29,080 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration2_Loop [2025-03-17 19:53:29,080 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 19:53:29,080 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 19:53:29,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:29,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:29,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:29,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:29,131 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 19:53:29,132 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-17 19:53:29,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,134 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) [2025-03-17 19:53:29,135 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 [2025-03-17 19:53:29,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:53:29,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:29,154 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:53:29,155 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:53:29,160 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 [2025-03-17 19:53:29,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,162 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) [2025-03-17 19:53:29,163 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 [2025-03-17 19:53:29,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:53:29,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:29,181 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:53:29,182 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:53:29,187 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 [2025-03-17 19:53:29,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,189 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) [2025-03-17 19:53:29,190 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 [2025-03-17 19:53:29,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:53:29,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:29,208 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:53:29,208 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:53:29,214 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 [2025-03-17 19:53:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,216 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) [2025-03-17 19:53:29,217 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 [2025-03-17 19:53:29,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:53:29,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:29,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-03-17 19:53:29,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,237 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) [2025-03-17 19:53:29,238 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 [2025-03-17 19:53:29,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 19:53:29,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:53:29,280 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-17 19:53:29,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-03-17 19:53:29,284 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 19:53:29,284 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 19:53:29,284 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 19:53:29,284 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 19:53:29,285 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 19:53:29,285 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,285 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 19:53:29,285 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 19:53:29,285 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration2_Loop [2025-03-17 19:53:29,285 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 19:53:29,285 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 19:53:29,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:29,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:29,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:29,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:53:29,333 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 19:53:29,333 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 19:53:29,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,335 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) [2025-03-17 19:53:29,338 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 [2025-03-17 19:53:29,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 19:53:29,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 19:53:29,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 19:53:29,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 19:53:29,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 19:53:29,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 19:53:29,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 19:53:29,355 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 19:53:29,362 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 [2025-03-17 19:53:29,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,365 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) [2025-03-17 19:53:29,366 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 [2025-03-17 19:53:29,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 19:53:29,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 19:53:29,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 19:53:29,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 19:53:29,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 19:53:29,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 19:53:29,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 19:53:29,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 19:53:29,381 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 19:53:29,387 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 [2025-03-17 19:53:29,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,389 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) [2025-03-17 19:53:29,390 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 [2025-03-17 19:53:29,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 19:53:29,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 19:53:29,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 19:53:29,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 19:53:29,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 19:53:29,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 19:53:29,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 19:53:29,410 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 19:53:29,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-03-17 19:53:29,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,417 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) [2025-03-17 19:53:29,418 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 [2025-03-17 19:53:29,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 19:53:29,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 19:53:29,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 19:53:29,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 19:53:29,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 19:53:29,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 19:53:29,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 19:53:29,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 19:53:29,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 19:53:29,434 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-03-17 19:53:29,434 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-17 19:53:29,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:53:29,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:53:29,438 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) [2025-03-17 19:53:29,439 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 [2025-03-17 19:53:29,440 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 19:53:29,440 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-17 19:53:29,440 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 19:53:29,440 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2025-03-17 19:53:29,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-03-17 19:53:29,447 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-17 19:53:29,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:29,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:53:29,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:53:29,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:53:29,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 19:53:29,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:53:29,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:29,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:29,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:53:29,470 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:53:29,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:53:29,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-03-17 19:53:29,523 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 [2025-03-17 19:53:29,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:53:29,529 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-03-17 19:53:29,529 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 14 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:29,552 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 14 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 53 transitions. Complement of second has 7 states. [2025-03-17 19:53:29,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-03-17 19:53:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2025-03-17 19:53:29,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2025-03-17 19:53:29,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 19:53:29,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2025-03-17 19:53:29,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 19:53:29,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2025-03-17 19:53:29,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 19:53:29,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 53 transitions. [2025-03-17 19:53:29,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-17 19:53:29,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 24 states and 35 transitions. [2025-03-17 19:53:29,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2025-03-17 19:53:29,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-03-17 19:53:29,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. [2025-03-17 19:53:29,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 19:53:29,559 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 35 transitions. [2025-03-17 19:53:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. [2025-03-17 19:53:29,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2025-03-17 19:53:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 31 transitions. [2025-03-17 19:53:29,561 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 31 transitions. [2025-03-17 19:53:29,561 INFO L432 stractBuchiCegarLoop]: Abstraction has 20 states and 31 transitions. [2025-03-17 19:53:29,561 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-17 19:53:29,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 31 transitions. [2025-03-17 19:53:29,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-17 19:53:29,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:53:29,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:53:29,562 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-17 19:53:29,562 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-17 19:53:29,563 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0;" "assume main_~x~0#1 > 0 || main_~y~0#1 > 0;" "assume !(main_~x~0#1 > 0);" [2025-03-17 19:53:29,563 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_~y~0#1 > 0);" "assume main_~x~0#1 > 0 || main_~y~0#1 > 0;" "assume !(main_~x~0#1 > 0);" [2025-03-17 19:53:29,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:29,563 INFO L85 PathProgramCache]: Analyzing trace with hash 35716, now seen corresponding path program 1 times [2025-03-17 19:53:29,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:29,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777024986] [2025-03-17 19:53:29,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:29,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:29,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:29,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:29,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:29,569 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:53:29,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:29,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:29,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:53:29,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:53:29,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:53:29,571 INFO L85 PathProgramCache]: Analyzing trace with hash 32833, now seen corresponding path program 1 times [2025-03-17 19:53:29,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:53:29,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462064442] [2025-03-17 19:53:29,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:53:29,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:53:29,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 19:53:29,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 19:53:29,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:53:29,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:53:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:53:29,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:53:29,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462064442] [2025-03-17 19:53:29,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462064442] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:53:29,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:53:29,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:53:29,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232575854] [2025-03-17 19:53:29,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:53:29,618 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-17 19:53:29,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:53:29,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:53:29,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:53:29,621 INFO L87 Difference]: Start difference. First operand 20 states and 31 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:53:29,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:53:29,640 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2025-03-17 19:53:29,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2025-03-17 19:53:29,641 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-17 19:53:29,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2025-03-17 19:53:29,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-17 19:53:29,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-17 19:53:29,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-17 19:53:29,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 19:53:29,641 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 19:53:29,641 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 19:53:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:53:29,642 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 19:53:29,642 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-17 19:53:29,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-17 19:53:29,642 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-17 19:53:29,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-17 19:53:29,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.03 07:53:29 BoogieIcfgContainer [2025-03-17 19:53:29,651 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-17 19:53:29,651 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 19:53:29,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 19:53:29,651 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 19:53:29,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:53:28" (3/4) ... [2025-03-17 19:53:29,654 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 19:53:29,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 19:53:29,656 INFO L158 Benchmark]: Toolchain (without parser) took 1768.62ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 108.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2025-03-17 19:53:29,656 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:53:29,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 127.96ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 114.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 19:53:29,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.81ms. Allocated memory is still 167.8MB. Free memory was 114.4MB in the beginning and 113.5MB in the end (delta: 872.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:53:29,658 INFO L158 Benchmark]: Boogie Preprocessor took 12.80ms. Allocated memory is still 167.8MB. Free memory was 113.5MB in the beginning and 112.7MB in the end (delta: 838.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:53:29,658 INFO L158 Benchmark]: IcfgBuilder took 153.32ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 103.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 19:53:29,658 INFO L158 Benchmark]: BuchiAutomizer took 1448.26ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 108.8MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:53:29,658 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 108.7MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:53:29,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 127.96ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 114.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.81ms. Allocated memory is still 167.8MB. Free memory was 114.4MB in the beginning and 113.5MB in the end (delta: 872.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.80ms. Allocated memory is still 167.8MB. Free memory was 113.5MB in the beginning and 112.7MB in the end (delta: 838.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 153.32ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 103.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1448.26ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 108.8MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 108.7MB in the end (delta: 50.8kB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 3 locations. One deterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax206 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-17 19:53:29,672 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