./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/DivMinus2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/DivMinus2.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 804e8d646f3136915195a4e5e9f5153cc3c1cd2abf96df3f09c683a14a27e4de --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:34:04,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:34:04,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-10 22:34:04,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:34:04,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:34:04,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:34:04,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:34:04,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:34:04,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:34:04,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:34:04,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:34:04,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:34:04,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:34:04,324 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:34:04,327 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:34:04,328 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:34:04,328 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:34:04,328 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:34:04,328 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:34:04,329 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:34:04,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:34:04,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:34:04,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:34:04,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:34:04,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:34:04,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:34:04,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:34:04,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:34:04,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:34:04,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:34:04,333 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:34:04,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:34:04,334 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:34:04,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:34:04,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:34:04,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:34:04,335 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:34:04,336 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 804e8d646f3136915195a4e5e9f5153cc3c1cd2abf96df3f09c683a14a27e4de [2024-11-10 22:34:04,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:34:04,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:34:04,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:34:04,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:34:04,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:34:04,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/DivMinus2.c [2024-11-10 22:34:05,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:34:06,183 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:34:06,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/DivMinus2.c [2024-11-10 22:34:06,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5ca85a2/13563229975542f2aeed91a3fe254ff7/FLAG5a166df81 [2024-11-10 22:34:06,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5ca85a2/13563229975542f2aeed91a3fe254ff7 [2024-11-10 22:34:06,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:34:06,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:34:06,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:34:06,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:34:06,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:34:06,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6f1ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06, skipping insertion in model container [2024-11-10 22:34:06,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:34:06,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:34:06,402 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:34:06,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:34:06,428 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:34:06,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06 WrapperNode [2024-11-10 22:34:06,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:34:06,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:34:06,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:34:06,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:34:06,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,460 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-10 22:34:06,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:34:06,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:34:06,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:34:06,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:34:06,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,476 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 22:34:06,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,478 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:34:06,481 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:34:06,481 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:34:06,481 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:34:06,482 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (1/1) ... [2024-11-10 22:34:06,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:06,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:06,512 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) [2024-11-10 22:34:06,514 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 [2024-11-10 22:34:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:34:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:34:06,643 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:34:06,645 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:34:06,719 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-10 22:34:06,720 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:34:06,731 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:34:06,731 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:34:06,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:34:06 BoogieIcfgContainer [2024-11-10 22:34:06,732 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:34:06,733 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:34:06,733 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:34:06,737 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:34:06,738 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:34:06,738 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:34:06" (1/3) ... [2024-11-10 22:34:06,739 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34566962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:34:06, skipping insertion in model container [2024-11-10 22:34:06,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:34:06,739 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:06" (2/3) ... [2024-11-10 22:34:06,739 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34566962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:34:06, skipping insertion in model container [2024-11-10 22:34:06,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:34:06,740 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:34:06" (3/3) ... [2024-11-10 22:34:06,741 INFO L332 chiAutomizerObserver]: Analyzing ICFG DivMinus2.c [2024-11-10 22:34:06,789 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:34:06,789 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:34:06,790 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:34:06,790 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:34:06,790 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:34:06,790 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:34:06,790 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:34:06,790 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:34:06,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2024-11-10 22:34:06,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 22:34:06,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:06,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:06,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:34:06,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:06,815 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:34:06,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2024-11-10 22:34:06,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 22:34:06,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:06,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:06,817 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:34:06,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:06,824 INFO L745 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#ULTIMATE.init_returnLabel#1true assume 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_~x~0#1, main_~y~0#1, main_~ytmp~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~ytmp~0#1;havoc main_~res~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_~res~0#1 := 0; 11#L14true [2024-11-10 22:34:06,824 INFO L747 eck$LassoCheckResult]: Loop: 11#L14true assume true; 12#L14-1true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~ytmp~0#1 := main_~y~0#1; 2#L16true assume !true; 10#L25true main_~res~0#1 := 1 + main_~res~0#1; 11#L14true [2024-11-10 22:34:06,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:06,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 1 times [2024-11-10 22:34:06,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:06,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238113232] [2024-11-10 22:34:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:06,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:06,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:06,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:06,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:06,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1353370, now seen corresponding path program 1 times [2024-11-10 22:34:06,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:06,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845478404] [2024-11-10 22:34:06,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:06,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:06,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:34:06,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845478404] [2024-11-10 22:34:06,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845478404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:34:06,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:34:06,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:34:06,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484302684] [2024-11-10 22:34:06,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:34:06,964 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 22:34:06,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:34:06,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 22:34:06,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 22:34:07,001 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:07,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:34:07,006 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2024-11-10 22:34:07,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2024-11-10 22:34:07,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 22:34:07,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 10 transitions. [2024-11-10 22:34:07,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-10 22:34:07,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-10 22:34:07,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2024-11-10 22:34:07,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:34:07,013 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-10 22:34:07,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2024-11-10 22:34:07,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-10 22:34:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-11-10 22:34:07,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-11-10 22:34:07,047 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-10 22:34:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 22:34:07,052 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-10 22:34:07,052 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:34:07,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2024-11-10 22:34:07,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 22:34:07,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:07,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:07,053 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:34:07,053 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-10 22:34:07,054 INFO L745 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 37#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~ytmp~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~ytmp~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0; 38#L14 [2024-11-10 22:34:07,054 INFO L747 eck$LassoCheckResult]: Loop: 38#L14 assume true; 39#L14-1 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~ytmp~0#1 := main_~y~0#1; 32#L16 assume true; 33#L16-1 assume !(0 != main_~ytmp~0#1); 34#L25 main_~res~0#1 := 1 + main_~res~0#1; 38#L14 [2024-11-10 22:34:07,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:07,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 2 times [2024-11-10 22:34:07,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:07,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614306107] [2024-11-10 22:34:07,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:07,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:07,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:07,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:07,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:07,088 INFO L85 PathProgramCache]: Analyzing trace with hash 41953605, now seen corresponding path program 1 times [2024-11-10 22:34:07,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:07,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354842033] [2024-11-10 22:34:07,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:07,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:07,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:34:07,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354842033] [2024-11-10 22:34:07,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354842033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:34:07,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:34:07,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:34:07,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926588148] [2024-11-10 22:34:07,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:34:07,140 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 22:34:07,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:34:07,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:34:07,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:34:07,142 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2024-11-10 22:34:07,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:34:07,158 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2024-11-10 22:34:07,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2024-11-10 22:34:07,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-10 22:34:07,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2024-11-10 22:34:07,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-10 22:34:07,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-10 22:34:07,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2024-11-10 22:34:07,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:34:07,163 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-10 22:34:07,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2024-11-10 22:34:07,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-10 22:34:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-11-10 22:34:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2024-11-10 22:34:07,165 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-10 22:34:07,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:34:07,171 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-10 22:34:07,171 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 22:34:07,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2024-11-10 22:34:07,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-10 22:34:07,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:07,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:07,172 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:34:07,172 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-10 22:34:07,172 INFO L745 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 62#ULTIMATE.init_returnLabel#1 assume 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_~x~0#1, main_~y~0#1, main_~ytmp~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~ytmp~0#1;havoc main_~res~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_~res~0#1 := 0; 63#L14 [2024-11-10 22:34:07,173 INFO L747 eck$LassoCheckResult]: Loop: 63#L14 assume true; 65#L14-1 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~ytmp~0#1 := main_~y~0#1; 66#L16 assume true; 59#L16-1 assume !!(0 != main_~ytmp~0#1); 60#L17 assume main_~ytmp~0#1 > 0;main_~ytmp~0#1 := main_~ytmp~0#1 - 1;main_~x~0#1 := main_~x~0#1 - 1; 57#L16 assume true; 58#L16-1 assume !(0 != main_~ytmp~0#1); 64#L25 main_~res~0#1 := 1 + main_~res~0#1; 63#L14 [2024-11-10 22:34:07,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:07,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 3 times [2024-11-10 22:34:07,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:07,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231820421] [2024-11-10 22:34:07,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:07,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:07,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:07,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:07,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:07,181 INFO L85 PathProgramCache]: Analyzing trace with hash 5324608, now seen corresponding path program 1 times [2024-11-10 22:34:07,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:07,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243994031] [2024-11-10 22:34:07,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:07,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:07,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:07,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:07,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:07,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2115565087, now seen corresponding path program 1 times [2024-11-10 22:34:07,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:07,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381219275] [2024-11-10 22:34:07,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:07,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:07,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:07,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:07,377 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:07,378 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:07,378 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:07,378 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:07,378 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:07,378 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,379 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:07,379 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:07,379 INFO L132 ssoRankerPreferences]: Filename of dumped script: DivMinus2.c_Iteration3_Loop [2024-11-10 22:34:07,379 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:07,379 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:07,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,528 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:07,529 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,534 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) [2024-11-10 22:34:07,536 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 [2024-11-10 22:34:07,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:07,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:07,566 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:07,567 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: [] [2024-11-10 22:34:07,582 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 [2024-11-10 22:34:07,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,585 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) [2024-11-10 22:34:07,585 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 [2024-11-10 22:34:07,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:07,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:07,606 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:07,606 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: [] [2024-11-10 22:34:07,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-10 22:34:07,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,624 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) [2024-11-10 22:34:07,625 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 [2024-11-10 22:34:07,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:07,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:07,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:07,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,653 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) [2024-11-10 22:34:07,654 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 [2024-11-10 22:34:07,655 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:07,655 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:07,687 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:07,687 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=1}, {ULTIMATE.start_main_~res~0#1=0}, {ULTIMATE.start_main_~res~0#1=0}] Lambdas: [1, 12, 0] Nus: [1, 0] [2024-11-10 22:34:07,698 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 [2024-11-10 22:34:07,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,700 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) [2024-11-10 22:34:07,701 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 [2024-11-10 22:34:07,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:07,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:07,715 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:07,715 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:07,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:07,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,727 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) [2024-11-10 22:34:07,728 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 [2024-11-10 22:34:07,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:07,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:07,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-10 22:34:07,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,755 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) [2024-11-10 22:34:07,756 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 [2024-11-10 22:34:07,757 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:07,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:07,790 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:07,796 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 [2024-11-10 22:34:07,797 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:07,797 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:07,797 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:07,797 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:07,797 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:07,797 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,797 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:07,797 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:07,798 INFO L132 ssoRankerPreferences]: Filename of dumped script: DivMinus2.c_Iteration3_Loop [2024-11-10 22:34:07,798 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:07,798 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:07,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:07,891 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:07,895 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:07,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,899 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) [2024-11-10 22:34:07,900 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 [2024-11-10 22:34:07,901 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 [2024-11-10 22:34:07,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:07,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:07,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:07,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:07,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:07,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:07,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:07,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:07,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:07,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,931 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) [2024-11-10 22:34:07,932 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 [2024-11-10 22:34:07,933 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 [2024-11-10 22:34:07,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:07,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:07,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:07,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:07,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:07,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:07,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:07,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:07,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:07,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:07,968 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) [2024-11-10 22:34:07,970 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 [2024-11-10 22:34:07,970 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 [2024-11-10 22:34:07,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:07,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:07,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:07,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:07,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:07,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:07,990 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:08,004 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 [2024-11-10 22:34:08,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,007 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) [2024-11-10 22:34:08,010 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 [2024-11-10 22:34:08,011 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 [2024-11-10 22:34:08,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:08,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:08,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:08,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:08,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:08,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:08,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:08,028 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:08,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:08,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,042 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) [2024-11-10 22:34:08,043 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 [2024-11-10 22:34:08,044 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 [2024-11-10 22:34:08,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:08,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:08,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:08,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:08,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:08,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:08,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:08,058 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:08,063 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:34:08,063 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-10 22:34:08,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,067 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) [2024-11-10 22:34:08,071 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 [2024-11-10 22:34:08,071 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:08,072 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:08,072 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:08,072 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 [] [2024-11-10 22:34:08,087 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 [2024-11-10 22:34:08,090 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:08,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:08,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:08,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:08,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:08,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:08,234 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 [2024-11-10 22:34:08,235 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-11-10 22:34:08,278 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 3. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 33 states and 40 transitions. Complement of second has 7 states. [2024-11-10 22:34:08,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:08,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-11-10 22:34:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-10 22:34:08,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-10 22:34:08,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:08,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-10 22:34:08,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:08,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 16 letters. [2024-11-10 22:34:08,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:08,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2024-11-10 22:34:08,286 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-10 22:34:08,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 31 transitions. [2024-11-10 22:34:08,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-10 22:34:08,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-10 22:34:08,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2024-11-10 22:34:08,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:08,290 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-11-10 22:34:08,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2024-11-10 22:34:08,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2024-11-10 22:34:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 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) [2024-11-10 22:34:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-10 22:34:08,295 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-10 22:34:08,296 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-10 22:34:08,296 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 22:34:08,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2024-11-10 22:34:08,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-10 22:34:08,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:08,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:08,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-10 22:34:08,298 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 22:34:08,298 INFO L745 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 164#ULTIMATE.init_returnLabel#1 assume 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_~x~0#1, main_~y~0#1, main_~ytmp~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~ytmp~0#1;havoc main_~res~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_~res~0#1 := 0; 165#L14 assume true; 170#L14-1 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~ytmp~0#1 := main_~y~0#1; 157#L16 assume true; 158#L16-1 assume !!(0 != main_~ytmp~0#1); 160#L17 assume main_~ytmp~0#1 > 0;main_~ytmp~0#1 := main_~ytmp~0#1 - 1;main_~x~0#1 := main_~x~0#1 - 1; 162#L16 assume true; 156#L16-1 [2024-11-10 22:34:08,298 INFO L747 eck$LassoCheckResult]: Loop: 156#L16-1 assume !!(0 != main_~ytmp~0#1); 159#L17 assume main_~ytmp~0#1 > 0;main_~ytmp~0#1 := main_~ytmp~0#1 - 1;main_~x~0#1 := main_~x~0#1 - 1; 155#L16 assume true; 156#L16-1 [2024-11-10 22:34:08,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:08,299 INFO L85 PathProgramCache]: Analyzing trace with hash -516233758, now seen corresponding path program 1 times [2024-11-10 22:34:08,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:08,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51938960] [2024-11-10 22:34:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:08,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:08,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:08,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:08,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:08,313 INFO L85 PathProgramCache]: Analyzing trace with hash 36650, now seen corresponding path program 1 times [2024-11-10 22:34:08,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:08,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402792761] [2024-11-10 22:34:08,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:08,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:08,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:08,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:08,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:08,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1158009257, now seen corresponding path program 2 times [2024-11-10 22:34:08,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:08,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685687953] [2024-11-10 22:34:08,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:08,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:08,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:08,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:08,403 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:08,403 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:08,403 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:08,403 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:08,404 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:08,404 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,404 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:08,404 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:08,404 INFO L132 ssoRankerPreferences]: Filename of dumped script: DivMinus2.c_Iteration4_Loop [2024-11-10 22:34:08,404 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:08,404 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:08,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:08,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:08,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:08,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:08,458 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:08,459 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:08,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,461 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) [2024-11-10 22:34:08,462 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 [2024-11-10 22:34:08,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:08,464 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:08,488 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:08,488 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: [] [2024-11-10 22:34:08,503 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 [2024-11-10 22:34:08,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,505 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) [2024-11-10 22:34:08,507 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 [2024-11-10 22:34:08,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:08,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:08,536 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 [2024-11-10 22:34:08,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,538 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) [2024-11-10 22:34:08,541 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 [2024-11-10 22:34:08,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:08,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:08,574 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:08,574 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: [{ULTIMATE.start_main_~x~0#1=1}, {ULTIMATE.start_main_~x~0#1=1}, {ULTIMATE.start_main_~x~0#1=-3}] Lambdas: [1, 4, 1] Nus: [0, 1] [2024-11-10 22:34:08,589 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 [2024-11-10 22:34:08,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,592 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) [2024-11-10 22:34:08,594 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 [2024-11-10 22:34:08,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:08,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:08,619 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:08,619 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: [] [2024-11-10 22:34:08,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:08,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,636 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) [2024-11-10 22:34:08,637 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 [2024-11-10 22:34:08,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:08,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:08,660 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 [2024-11-10 22:34:08,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,661 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:08,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-10 22:34:08,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:08,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:08,695 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:08,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-10 22:34:08,701 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:08,701 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:08,702 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:08,702 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:08,702 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:08,702 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,702 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:08,702 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:08,702 INFO L132 ssoRankerPreferences]: Filename of dumped script: DivMinus2.c_Iteration4_Loop [2024-11-10 22:34:08,702 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:08,702 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:08,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:08,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:08,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:08,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:08,790 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:08,791 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:08,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,794 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:08,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-10 22:34:08,797 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 [2024-11-10 22:34:08,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:08,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:08,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:08,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:08,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:08,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:08,816 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:08,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:08,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,830 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:08,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-10 22:34:08,832 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 [2024-11-10 22:34:08,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:08,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:08,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:08,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:08,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:08,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:08,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:08,845 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:08,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:08,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,862 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:08,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-10 22:34:08,867 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 [2024-11-10 22:34:08,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:08,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:08,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:08,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:08,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:08,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:08,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:08,886 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:08,888 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-10 22:34:08,888 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:34:08,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:08,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:08,890 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:08,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-10 22:34:08,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:08,892 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:08,892 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:08,892 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~ytmp~0#1) = 1*ULTIMATE.start_main_~ytmp~0#1 Supporting invariants [] [2024-11-10 22:34:08,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:08,905 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:08,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:08,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:08,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:08,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:08,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:08,962 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:08,963 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-10 22:34:08,981 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 43 states and 53 transitions. Complement of second has 5 states. [2024-11-10 22:34:08,982 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 [2024-11-10 22:34:08,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-10 22:34:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-10 22:34:08,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-10 22:34:08,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:08,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 11 letters. Loop has 3 letters. [2024-11-10 22:34:08,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:08,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 8 letters. Loop has 6 letters. [2024-11-10 22:34:08,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:08,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 53 transitions. [2024-11-10 22:34:08,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-10 22:34:08,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 51 transitions. [2024-11-10 22:34:08,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-10 22:34:08,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-10 22:34:08,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2024-11-10 22:34:08,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:08,992 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2024-11-10 22:34:08,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2024-11-10 22:34:08,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2024-11-10 22:34:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 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) [2024-11-10 22:34:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2024-11-10 22:34:08,998 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 50 transitions. [2024-11-10 22:34:08,998 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2024-11-10 22:34:08,999 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 22:34:08,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2024-11-10 22:34:08,999 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-10 22:34:09,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:09,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:09,003 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 22:34:09,003 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 22:34:09,003 INFO L745 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 287#ULTIMATE.init_returnLabel#1 assume 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_~x~0#1, main_~y~0#1, main_~ytmp~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~ytmp~0#1;havoc main_~res~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_~res~0#1 := 0; 288#L14 assume true; 293#L14-1 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~ytmp~0#1 := main_~y~0#1; 312#L16 assume true; 310#L16-1 assume !!(0 != main_~ytmp~0#1); 308#L17 assume main_~ytmp~0#1 > 0;main_~ytmp~0#1 := main_~ytmp~0#1 - 1;main_~x~0#1 := main_~x~0#1 - 1; 305#L16 assume true; 304#L16-1 assume !!(0 != main_~ytmp~0#1); 283#L17 assume !(main_~ytmp~0#1 > 0);main_~ytmp~0#1 := 1 + main_~ytmp~0#1;main_~x~0#1 := 1 + main_~x~0#1; 284#L16 [2024-11-10 22:34:09,003 INFO L747 eck$LassoCheckResult]: Loop: 284#L16 assume true; 298#L16-1 assume !!(0 != main_~ytmp~0#1); 299#L17 assume main_~ytmp~0#1 > 0;main_~ytmp~0#1 := main_~ytmp~0#1 - 1;main_~x~0#1 := main_~x~0#1 - 1; 284#L16 [2024-11-10 22:34:09,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:09,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2115565120, now seen corresponding path program 1 times [2024-11-10 22:34:09,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:09,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400323572] [2024-11-10 22:34:09,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:09,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:09,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:34:09,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400323572] [2024-11-10 22:34:09,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400323572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:34:09,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:34:09,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:34:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638070986] [2024-11-10 22:34:09,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:34:09,092 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 22:34:09,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:09,093 INFO L85 PathProgramCache]: Analyzing trace with hash 37700, now seen corresponding path program 2 times [2024-11-10 22:34:09,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:09,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186074837] [2024-11-10 22:34:09,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:09,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:09,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:09,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:09,138 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:09,138 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:09,138 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:09,138 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:09,138 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:09,138 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,139 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:09,139 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:09,139 INFO L132 ssoRankerPreferences]: Filename of dumped script: DivMinus2.c_Iteration5_Loop [2024-11-10 22:34:09,139 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:09,139 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:09,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,188 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:09,188 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:09,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,190 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2024-11-10 22:34:09,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-10 22:34:09,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:09,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:09,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:09,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,225 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2024-11-10 22:34:09,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-10 22:34:09,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:09,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:09,259 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:09,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:09,263 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:09,263 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:09,263 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:09,263 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:09,263 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:09,263 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,263 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:09,263 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:09,263 INFO L132 ssoRankerPreferences]: Filename of dumped script: DivMinus2.c_Iteration5_Loop [2024-11-10 22:34:09,263 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:09,263 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:09,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,315 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:09,315 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:09,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,317 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2024-11-10 22:34:09,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-10 22:34:09,320 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 [2024-11-10 22:34:09,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:09,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:09,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:09,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:09,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:09,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:09,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:09,338 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:09,342 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:34:09,342 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-10 22:34:09,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,345 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2024-11-10 22:34:09,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:09,348 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:09,348 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:09,348 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~ytmp~0#1) = 1*ULTIMATE.start_main_~ytmp~0#1 Supporting invariants [] [2024-11-10 22:34:09,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-10 22:34:09,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-10 22:34:09,365 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:09,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:09,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:09,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:09,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:09,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:09,409 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 [2024-11-10 22:34:09,409 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-10 22:34:09,422 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 46 states and 59 transitions. Complement of second has 5 states. [2024-11-10 22:34:09,422 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 [2024-11-10 22:34:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-10 22:34:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-10 22:34:09,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-10 22:34:09,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:09,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-10 22:34:09,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:09,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 6 letters. [2024-11-10 22:34:09,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:09,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 59 transitions. [2024-11-10 22:34:09,425 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-10 22:34:09,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 59 transitions. [2024-11-10 22:34:09,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-10 22:34:09,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-10 22:34:09,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 59 transitions. [2024-11-10 22:34:09,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:09,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 59 transitions. [2024-11-10 22:34:09,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 59 transitions. [2024-11-10 22:34:09,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-10 22:34:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 45 states have internal predecessors, (59), 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) [2024-11-10 22:34:09,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2024-11-10 22:34:09,429 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 59 transitions. [2024-11-10 22:34:09,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:34:09,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:34:09,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:34:09,430 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-10 22:34:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:34:09,445 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2024-11-10 22:34:09,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2024-11-10 22:34:09,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 22:34:09,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 25 states and 29 transitions. [2024-11-10 22:34:09,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-10 22:34:09,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-10 22:34:09,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2024-11-10 22:34:09,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:09,450 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-11-10 22:34:09,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2024-11-10 22:34:09,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2024-11-10 22:34:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 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) [2024-11-10 22:34:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-10 22:34:09,452 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-10 22:34:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:34:09,453 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-10 22:34:09,454 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-10 22:34:09,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2024-11-10 22:34:09,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 22:34:09,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:09,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:09,455 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-10 22:34:09,455 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 22:34:09,455 INFO L745 eck$LassoCheckResult]: Stem: 505#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 506#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~ytmp~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~ytmp~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0; 507#L14 assume true; 510#L14-1 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~ytmp~0#1 := main_~y~0#1; 512#L16 assume true; 502#L16-1 assume !!(0 != main_~ytmp~0#1); 503#L17 assume main_~ytmp~0#1 > 0;main_~ytmp~0#1 := main_~ytmp~0#1 - 1;main_~x~0#1 := main_~x~0#1 - 1; 504#L16 assume true; 513#L16-1 assume !(0 != main_~ytmp~0#1); 508#L25 main_~res~0#1 := 1 + main_~res~0#1; 509#L14 assume true; 511#L14-1 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~ytmp~0#1 := main_~y~0#1; 517#L16 assume true; 516#L16-1 assume !!(0 != main_~ytmp~0#1); 515#L17 assume main_~ytmp~0#1 > 0;main_~ytmp~0#1 := main_~ytmp~0#1 - 1;main_~x~0#1 := main_~x~0#1 - 1; 514#L16 assume true; 498#L16-1 [2024-11-10 22:34:09,455 INFO L747 eck$LassoCheckResult]: Loop: 498#L16-1 assume !!(0 != main_~ytmp~0#1); 501#L17 assume main_~ytmp~0#1 > 0;main_~ytmp~0#1 := main_~ytmp~0#1 - 1;main_~x~0#1 := main_~x~0#1 - 1; 497#L16 assume true; 498#L16-1 [2024-11-10 22:34:09,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:09,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1233677025, now seen corresponding path program 2 times [2024-11-10 22:34:09,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:09,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693872860] [2024-11-10 22:34:09,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:09,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:09,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:09,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:09,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash 36650, now seen corresponding path program 3 times [2024-11-10 22:34:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:09,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455198580] [2024-11-10 22:34:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:09,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:09,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:09,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:09,491 INFO L85 PathProgramCache]: Analyzing trace with hash 437106762, now seen corresponding path program 3 times [2024-11-10 22:34:09,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:09,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222641424] [2024-11-10 22:34:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:09,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:09,526 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 [2024-11-10 22:34:09,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-10 22:34:09,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:09,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:34:09,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222641424] [2024-11-10 22:34:09,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222641424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 22:34:09,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052074665] [2024-11-10 22:34:09,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 22:34:09,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 22:34:09,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,603 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 22:34:09,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 22:34:09,633 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 22:34:09,633 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 22:34:09,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:34:09,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:09,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 22:34:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:09,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052074665] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 22:34:09,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 22:34:09,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2024-11-10 22:34:09,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296287514] [2024-11-10 22:34:09,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 22:34:09,777 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:09,777 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:09,778 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:09,778 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:09,778 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:09,778 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,778 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:09,778 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:09,778 INFO L132 ssoRankerPreferences]: Filename of dumped script: DivMinus2.c_Iteration6_Loop [2024-11-10 22:34:09,778 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:09,778 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:09,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:09,833 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:09,833 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:09,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,835 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2024-11-10 22:34:09,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-10 22:34:09,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:09,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:09,860 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:09,860 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:09,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:09,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,872 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2024-11-10 22:34:09,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-10 22:34:09,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:09,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:09,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:09,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,896 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2024-11-10 22:34:09,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-10 22:34:09,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:09,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:09,921 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:09,922 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: [{ULTIMATE.start_main_~x~0#1=1}, {ULTIMATE.start_main_~x~0#1=1}, {ULTIMATE.start_main_~x~0#1=-3}] Lambdas: [1, 4, 1] Nus: [0, 1] [2024-11-10 22:34:09,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:09,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,934 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2024-11-10 22:34:09,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-10 22:34:09,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:09,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:09,958 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:09,958 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:09,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-10 22:34:09,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:09,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:09,975 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2024-11-10 22:34:09,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-10 22:34:09,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:09,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:09,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:10,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:10,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:10,001 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2024-11-10 22:34:10,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-10 22:34:10,003 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:10,003 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:10,031 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:10,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:10,035 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:10,035 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:10,035 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:10,035 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:10,035 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:10,035 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:10,035 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:10,035 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:10,035 INFO L132 ssoRankerPreferences]: Filename of dumped script: DivMinus2.c_Iteration6_Loop [2024-11-10 22:34:10,035 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:10,035 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:10,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:10,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:10,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:10,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:10,078 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:10,078 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:10,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:10,080 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2024-11-10 22:34:10,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-10 22:34:10,081 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 [2024-11-10 22:34:10,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:10,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:10,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:10,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:10,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:10,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:10,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:10,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:10,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-10 22:34:10,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:10,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:10,112 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2024-11-10 22:34:10,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-10 22:34:10,114 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 [2024-11-10 22:34:10,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:10,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:10,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:10,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:10,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:10,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:10,132 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:10,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:10,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:10,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:10,146 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2024-11-10 22:34:10,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-10 22:34:10,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:10,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:10,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:10,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:10,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:10,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:10,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:10,163 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:10,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:10,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:10,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:10,179 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2024-11-10 22:34:10,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-10 22:34:10,182 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 [2024-11-10 22:34:10,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:10,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:10,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:10,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:10,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:10,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:10,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:10,195 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:10,197 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-10 22:34:10,197 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:34:10,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:10,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:10,199 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2024-11-10 22:34:10,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-10 22:34:10,202 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:10,202 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:10,203 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:10,203 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~ytmp~0#1) = 1*ULTIMATE.start_main_~ytmp~0#1 Supporting invariants [] [2024-11-10 22:34:10,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-10 22:34:10,215 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:10,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:10,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:10,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:10,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:10,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:10,280 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:10,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-10 22:34:10,293 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 26 states and 30 transitions. Complement of second has 5 states. [2024-11-10 22:34:10,295 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 [2024-11-10 22:34:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-10 22:34:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-10 22:34:10,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-10 22:34:10,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:10,296 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:34:10,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:10,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:10,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:10,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:10,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:10,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:10,367 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:10,368 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-10 22:34:10,384 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 24 states and 27 transitions. Complement of second has 7 states. [2024-11-10 22:34:10,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-10 22:34:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-10 22:34:10,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-10 22:34:10,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:10,388 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:34:10,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:10,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:10,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:10,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:10,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:10,445 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:10,445 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-10 22:34:10,459 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 33 states and 39 transitions. Complement of second has 6 states. [2024-11-10 22:34:10,460 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 [2024-11-10 22:34:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-10 22:34:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-11-10 22:34:10,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-10 22:34:10,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:10,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 19 letters. Loop has 3 letters. [2024-11-10 22:34:10,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:10,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2024-11-10 22:34:10,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:10,462 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2024-11-10 22:34:10,462 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:34:10,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2024-11-10 22:34:10,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:34:10,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:34:10,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:34:10,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:34:10,463 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:34:10,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:34:10,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:34:10,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:34:10,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:34:10,463 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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) [2024-11-10 22:34:10,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:34:10,464 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-10 22:34:10,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-10 22:34:10,464 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:34:10,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 22:34:10,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:34:10,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:34:10,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:34:10,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:34:10,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:34:10,465 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:34:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 22:34:10,466 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:34:10,466 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-10 22:34:10,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:34:10,466 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:34:10,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:34:10,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:34:10 BoogieIcfgContainer [2024-11-10 22:34:10,472 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:34:10,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:34:10,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:34:10,473 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:34:10,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:34:06" (3/4) ... [2024-11-10 22:34:10,476 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:34:10,477 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:34:10,477 INFO L158 Benchmark]: Toolchain (without parser) took 4267.75ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 108.6MB in the beginning and 134.6MB in the end (delta: -26.0MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-11-10 22:34:10,477 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory was 122.6MB in the beginning and 122.4MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:34:10,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.90ms. Allocated memory is still 161.5MB. Free memory was 108.2MB in the beginning and 96.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:34:10,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.76ms. Allocated memory is still 161.5MB. Free memory was 96.5MB in the beginning and 95.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:34:10,478 INFO L158 Benchmark]: Boogie Preprocessor took 18.78ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 93.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:34:10,479 INFO L158 Benchmark]: IcfgBuilder took 251.52ms. Allocated memory is still 161.5MB. Free memory was 93.4MB in the beginning and 84.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 22:34:10,479 INFO L158 Benchmark]: BuchiAutomizer took 3739.13ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 84.7MB in the beginning and 135.6MB in the end (delta: -51.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-10 22:34:10,479 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 234.9MB. Free memory was 135.6MB in the beginning and 134.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:34:10,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory was 122.6MB in the beginning and 122.4MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.90ms. Allocated memory is still 161.5MB. Free memory was 108.2MB in the beginning and 96.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.76ms. Allocated memory is still 161.5MB. Free memory was 96.5MB in the beginning and 95.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.78ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 93.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 251.52ms. Allocated memory is still 161.5MB. Free memory was 93.4MB in the beginning and 84.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3739.13ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 84.7MB in the beginning and 135.6MB in the end (delta: -51.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 234.9MB. Free memory was 135.6MB in the beginning and 134.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 8 terminating modules (4 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function ytmp and consists of 3 locations. One deterministic module has affine ranking function ytmp and consists of 3 locations. One nondeterministic module has affine ranking function ytmp and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 7 iterations. TraceHistogramMax:4. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 96 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 74 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax176 hnf100 lsp36 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-10 22:34:10,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:10,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:10,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE