./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/termination.prp --file ../../../trunk/examples/svcomp/termination-bwb/and-05.c --full-output --cacsl2boogietranslator.use.bitabs.translation true --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 514d202d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 ../../../trunk/examples/svcomp/termination-bwb/and-05.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 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 --cacsl2boogietranslator.use.bitabs.translation true --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-514d202-m [2024-02-09 14:17:37,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 14:17:37,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-02-09 14:17:37,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 14:17:37,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 14:17:37,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 14:17:37,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 14:17:37,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 14:17:37,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-09 14:17:37,186 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-09 14:17:37,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 14:17:37,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 14:17:37,188 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 14:17:37,189 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 14:17:37,190 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 14:17:37,190 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 14:17:37,190 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 14:17:37,191 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 14:17:37,191 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 14:17:37,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 14:17:37,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 14:17:37,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 14:17:37,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 14:17:37,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 14:17:37,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 14:17:37,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 14:17:37,194 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-09 14:17:37,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 14:17:37,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 14:17:37,195 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 14:17:37,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 14:17:37,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 14:17:37,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 14:17:37,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 14:17:37,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 14:17:37,198 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 14:17:37,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2024-02-09 14:17:37,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 14:17:37,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 14:17:37,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 14:17:37,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-09 14:17:37,569 INFO L274 PluginConnector]: CDTParser initialized [2024-02-09 14:17:37,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-bwb/and-05.c [2024-02-09 14:17:38,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-09 14:17:39,159 INFO L384 CDTParser]: Found 1 translation units. [2024-02-09 14:17:39,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-bwb/and-05.c [2024-02-09 14:17:39,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71cca8d80/d1ce86fbb07f467fa76cc8edf470d197/FLAGd49913bc3 [2024-02-09 14:17:39,189 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71cca8d80/d1ce86fbb07f467fa76cc8edf470d197 [2024-02-09 14:17:39,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 14:17:39,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-09 14:17:39,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-09 14:17:39,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-09 14:17:39,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-09 14:17:39,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcfe5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39, skipping insertion in model container [2024-02-09 14:17:39,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-09 14:17:39,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:17:39,356 INFO L202 MainTranslator]: Completed pre-run [2024-02-09 14:17:39,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:17:39,378 INFO L206 MainTranslator]: Completed translation [2024-02-09 14:17:39,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39 WrapperNode [2024-02-09 14:17:39,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-09 14:17:39,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 14:17:39,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 14:17:39,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 14:17:39,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,409 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-02-09 14:17:39,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 14:17:39,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 14:17:39,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 14:17:39,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 14:17:39,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,429 INFO L175 MemorySlicer]: No memory access in input program. [2024-02-09 14:17:39,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 14:17:39,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 14:17:39,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 14:17:39,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 14:17:39,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (1/1) ... [2024-02-09 14:17:39,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,482 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) [2024-02-09 14:17:39,486 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 [2024-02-09 14:17:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 14:17:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 14:17:39,595 INFO L241 CfgBuilder]: Building ICFG [2024-02-09 14:17:39,598 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 14:17:39,744 INFO L282 CfgBuilder]: Performing block encoding [2024-02-09 14:17:39,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 14:17:39,769 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 14:17:39,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:39 BoogieIcfgContainer [2024-02-09 14:17:39,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 14:17:39,771 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 14:17:39,779 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 14:17:39,783 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 14:17:39,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:39,784 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.02 02:17:39" (1/3) ... [2024-02-09 14:17:39,785 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f99ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:17:39, skipping insertion in model container [2024-02-09 14:17:39,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:39,785 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:39" (2/3) ... [2024-02-09 14:17:39,792 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f99ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:17:39, skipping insertion in model container [2024-02-09 14:17:39,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:39,793 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:39" (3/3) ... [2024-02-09 14:17:39,795 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-05.c [2024-02-09 14:17:39,893 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 14:17:39,894 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 14:17:39,894 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 14:17:39,894 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 14:17:39,894 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 14:17:39,895 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 14:17:39,895 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 14:17:39,895 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 14:17:39,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2024-02-09 14:17:39,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:39,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:39,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:39,919 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:17:39,919 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 14:17:39,919 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 14:17:39,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2024-02-09 14:17:39,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:39,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:39,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:39,922 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:17:39,922 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 14:17:39,928 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L16-2true [2024-02-09 14:17:39,929 INFO L750 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 3#L17true assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~nondet2#1 := 0; 10#L17-4true main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8#L16-2true [2024-02-09 14:17:39,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:39,936 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-02-09 14:17:39,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:39,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201879370] [2024-02-09 14:17:39,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:40,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:40,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:40,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:40,050 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2024-02-09 14:17:40,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:40,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867373559] [2024-02-09 14:17:40,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:40,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:40,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:40,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:40,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:40,069 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2024-02-09 14:17:40,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:40,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867343995] [2024-02-09 14:17:40,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:40,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:40,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:40,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:40,156 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:40,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:40,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:40,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:40,157 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:40,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:40,158 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:40,158 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2024-02-09 14:17:40,158 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:40,158 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:40,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:40,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:40,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:40,235 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:40,236 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:40,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,241 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) [2024-02-09 14:17:40,283 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 [2024-02-09 14:17:40,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:40,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:40,315 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:40,315 INFO L440 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: [] [2024-02-09 14:17:40,321 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 [2024-02-09 14:17:40,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,337 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) [2024-02-09 14:17:40,340 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 [2024-02-09 14:17:40,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:40,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:40,358 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:40,358 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:17:40,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:40,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,367 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) [2024-02-09 14:17:40,369 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 [2024-02-09 14:17:40,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:40,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:40,409 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 [2024-02-09 14:17:40,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,425 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) [2024-02-09 14:17:40,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:40,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:40,443 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 [2024-02-09 14:17:40,464 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:17:40,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:40,470 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:40,470 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:40,470 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:40,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:40,471 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:17:40,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:40,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:40,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2024-02-09 14:17:40,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:40,471 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:40,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:40,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:40,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:40,517 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:40,520 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:17:40,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,522 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) [2024-02-09 14:17:40,539 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 [2024-02-09 14:17:40,541 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 [2024-02-09 14:17:40,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:40,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:40,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:40,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:40,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:40,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:40,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:40,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:40,574 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 [2024-02-09 14:17:40,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,589 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) [2024-02-09 14:17:40,589 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 [2024-02-09 14:17:40,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 14:17:40,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:40,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:40,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:40,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:40,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:40,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:40,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:40,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:40,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:40,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,621 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) [2024-02-09 14:17:40,625 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 [2024-02-09 14:17:40,636 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 [2024-02-09 14:17:40,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:40,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:40,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:40,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:40,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:40,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:40,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:40,655 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 14:17:40,658 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-02-09 14:17:40,658 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-02-09 14:17:40,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,886 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) [2024-02-09 14:17:40,890 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 [2024-02-09 14:17:40,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 14:17:40,891 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-09 14:17:40,891 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 14:17:40,891 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-02-09 14:17:40,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:40,897 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 14:17:40,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:40,947 WARN L260 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 14:17:40,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:40,969 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2024-02-09 14:17:40,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:41,067 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 [2024-02-09 14:17:41,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:41,165 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 52 transitions. Complement of second has 14 states. [2024-02-09 14:17:41,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-02-09 14:17:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 27 transitions. [2024-02-09 14:17:41,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 27 transitions. Stem has 2 letters. Loop has 3 letters. [2024-02-09 14:17:41,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:41,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 27 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-09 14:17:41,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:41,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 27 transitions. Stem has 2 letters. Loop has 6 letters. [2024-02-09 14:17:41,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:41,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2024-02-09 14:17:41,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:41,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 20 states and 28 transitions. [2024-02-09 14:17:41,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-02-09 14:17:41,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-02-09 14:17:41,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2024-02-09 14:17:41,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:17:41,182 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 28 transitions. [2024-02-09 14:17:41,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2024-02-09 14:17:41,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2024-02-09 14:17:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2024-02-09 14:17:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-02-09 14:17:41,200 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-02-09 14:17:41,201 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-02-09 14:17:41,201 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 14:17:41,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2024-02-09 14:17:41,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:41,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:41,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:41,202 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 14:17:41,202 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 14:17:41,202 INFO L748 eck$LassoCheckResult]: Stem: 111#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 112#L-1 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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~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; 115#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 108#L17 [2024-02-09 14:17:41,202 INFO L750 eck$LassoCheckResult]: Loop: 108#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 104#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~nondet2#1 := main_~x~0#1 - 1; 105#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 113#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 108#L17 [2024-02-09 14:17:41,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:41,203 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-02-09 14:17:41,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:41,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314831962] [2024-02-09 14:17:41,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:41,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:41,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:41,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1419160, now seen corresponding path program 1 times [2024-02-09 14:17:41,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:41,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369678583] [2024-02-09 14:17:41,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:41,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:41,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:41,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1810723007, now seen corresponding path program 1 times [2024-02-09 14:17:41,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:41,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476451041] [2024-02-09 14:17:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:41,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:41,267 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:41,267 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:41,267 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:41,267 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:41,268 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:41,268 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:41,268 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:41,268 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:41,268 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2024-02-09 14:17:41,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:41,268 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:41,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:41,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:41,299 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:41,299 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:41,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:41,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:41,301 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) [2024-02-09 14:17:41,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:41,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:41,327 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 [2024-02-09 14:17:41,341 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 [2024-02-09 14:17:41,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:41,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:41,345 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) [2024-02-09 14:17:41,349 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 [2024-02-09 14:17:41,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:41,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:41,420 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:17:41,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:41,426 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:41,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:41,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:41,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:41,426 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:17:41,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:41,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:41,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:41,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2024-02-09 14:17:41,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:41,426 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:41,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:41,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:41,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:41,465 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:17:41,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:41,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:41,482 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) [2024-02-09 14:17:41,483 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 [2024-02-09 14:17:41,484 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 [2024-02-09 14:17:41,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:41,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:41,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:41,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:41,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:41,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:41,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:41,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 14:17:41,530 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 14:17:41,530 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-02-09 14:17:41,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:41,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:41,533 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) [2024-02-09 14:17:41,537 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 14:17:41,537 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-09 14:17:41,537 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 14:17:41,537 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-02-09 14:17:41,559 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 [2024-02-09 14:17:41,591 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 [2024-02-09 14:17:41,592 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 14:17:41,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:41,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 14:17:41,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:41,614 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 [2024-02-09 14:17:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:41,616 WARN L260 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2024-02-09 14:17:41,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:41,692 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 [2024-02-09 14:17:41,693 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:41,745 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 9 states. [2024-02-09 14:17:41,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-02-09 14:17:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2024-02-09 14:17:41,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2024-02-09 14:17:41,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:41,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-09 14:17:41,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:41,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2024-02-09 14:17:41,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:41,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2024-02-09 14:17:41,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:41,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 27 states and 36 transitions. [2024-02-09 14:17:41,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-02-09 14:17:41,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-02-09 14:17:41,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2024-02-09 14:17:41,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:17:41,755 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2024-02-09 14:17:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2024-02-09 14:17:41,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2024-02-09 14:17:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2024-02-09 14:17:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2024-02-09 14:17:41,762 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-02-09 14:17:41,762 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-02-09 14:17:41,762 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 14:17:41,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2024-02-09 14:17:41,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:41,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:41,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:41,764 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 14:17:41,764 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 14:17:41,764 INFO L748 eck$LassoCheckResult]: Stem: 209#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 214#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 200#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 202#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1);assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 <= main_~x~0#1 - 1;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 <= main_~y~0#1;assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 >= 0;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 > main_~x~0#1 - 1 + main_~y~0#1;assume main_#t~nondet2#1 >= -2147483648; 206#L17-4 [2024-02-09 14:17:41,771 INFO L750 eck$LassoCheckResult]: Loop: 206#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 211#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 212#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 216#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~nondet2#1 := main_~x~0#1 - 1; 206#L17-4 [2024-02-09 14:17:41,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2024-02-09 14:17:41,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:41,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315490813] [2024-02-09 14:17:41,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:41,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:41,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:41,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1619800, now seen corresponding path program 2 times [2024-02-09 14:17:41,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:41,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611777736] [2024-02-09 14:17:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:41,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:41,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:41,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:41,835 INFO L85 PathProgramCache]: Analyzing trace with hash 644902404, now seen corresponding path program 1 times [2024-02-09 14:17:41,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:41,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138772043] [2024-02-09 14:17:41,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:41,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:41,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-09 14:17:41,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138772043] [2024-02-09 14:17:41,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138772043] provided 0 perfect and 1 imperfect interpolant sequences [2024-02-09 14:17:41,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750569486] [2024-02-09 14:17:41,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:41,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-02-09 14:17:41,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:41,984 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-02-09 14:17:41,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-02-09 14:17:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:42,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 14:17:42,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:42,204 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-02-09 14:17:42,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750569486] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-09 14:17:42,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-02-09 14:17:42,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-02-09 14:17:42,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982767606] [2024-02-09 14:17:42,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-09 14:17:42,239 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:42,239 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:42,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:42,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:42,240 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:42,240 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:42,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:42,240 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:42,240 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2024-02-09 14:17:42,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:42,241 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:42,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:42,269 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:42,270 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:42,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:42,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:42,286 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) [2024-02-09 14:17:42,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:42,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:42,324 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 [2024-02-09 14:17:42,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:42,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:42,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:42,332 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) [2024-02-09 14:17:42,346 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 [2024-02-09 14:17:42,387 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:42,387 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:45,458 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:17:45,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-02-09 14:17:45,463 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:45,463 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:45,464 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:45,464 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:45,464 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:17:45,464 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:45,464 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:45,464 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:45,464 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2024-02-09 14:17:45,464 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:45,464 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:45,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:45,493 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:45,493 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:17:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:45,494 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) [2024-02-09 14:17:45,496 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 [2024-02-09 14:17:45,497 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 [2024-02-09 14:17:45,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:45,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:45,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:45,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:45,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:45,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:45,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:45,524 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 14:17:45,528 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 14:17:45,528 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-02-09 14:17:45,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:45,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:45,530 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) [2024-02-09 14:17:45,532 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 14:17:45,532 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-09 14:17:45,532 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 14:17:45,532 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet2#1) = 1*ULTIMATE.start_main_#t~nondet2#1 Supporting invariants [] [2024-02-09 14:17:45,534 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 [2024-02-09 14:17:45,536 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 [2024-02-09 14:17:45,536 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 14:17:45,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:45,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 14:17:45,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:45,559 WARN L260 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2024-02-09 14:17:45,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:45,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:45,579 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 [2024-02-09 14:17:45,580 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-02-09 14:17:45,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 57 states and 77 transitions. Complement of second has 7 states. [2024-02-09 14:17:45,595 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 [2024-02-09 14:17:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-02-09 14:17:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-02-09 14:17:45,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-09 14:17:45,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:45,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-09 14:17:45,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:45,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-09 14:17:45,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:45,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 77 transitions. [2024-02-09 14:17:45,598 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-02-09 14:17:45,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 55 states and 75 transitions. [2024-02-09 14:17:45,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-02-09 14:17:45,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-02-09 14:17:45,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 75 transitions. [2024-02-09 14:17:45,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:17:45,599 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 75 transitions. [2024-02-09 14:17:45,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 75 transitions. [2024-02-09 14:17:45,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2024-02-09 14:17:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 52 states have internal predecessors, (73), 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) [2024-02-09 14:17:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 73 transitions. [2024-02-09 14:17:45,602 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 73 transitions. [2024-02-09 14:17:45,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-09 14:17:45,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-09 14:17:45,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-02-09 14:17:45,605 INFO L87 Difference]: Start difference. First operand 53 states and 73 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-02-09 14:17:45,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-02-09 14:17:45,629 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2024-02-09 14:17:45,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 70 transitions. [2024-02-09 14:17:45,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:45,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 48 states and 61 transitions. [2024-02-09 14:17:45,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-02-09 14:17:45,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-02-09 14:17:45,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 61 transitions. [2024-02-09 14:17:45,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:17:45,631 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 61 transitions. [2024-02-09 14:17:45,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 61 transitions. [2024-02-09 14:17:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2024-02-09 14:17:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 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) [2024-02-09 14:17:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2024-02-09 14:17:45,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 41 transitions. [2024-02-09 14:17:45,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-02-09 14:17:45,634 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2024-02-09 14:17:45,634 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 14:17:45,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2024-02-09 14:17:45,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:45,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:45,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:45,636 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-02-09 14:17:45,636 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-02-09 14:17:45,636 INFO L748 eck$LassoCheckResult]: Stem: 480#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 481#L-1 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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~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; 482#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 485#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 471#L17-2 [2024-02-09 14:17:45,637 INFO L750 eck$LassoCheckResult]: Loop: 471#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1);assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 <= main_~x~0#1 - 1;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 <= main_~y~0#1;assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 >= 0;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 > main_~x~0#1 - 1 + main_~y~0#1;assume main_#t~nondet2#1 >= -2147483648; 472#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 477#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 475#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 471#L17-2 [2024-02-09 14:17:45,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:45,637 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-02-09 14:17:45,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:45,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464225064] [2024-02-09 14:17:45,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:45,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:45,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:45,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:45,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:45,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1571592, now seen corresponding path program 1 times [2024-02-09 14:17:45,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:45,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480982588] [2024-02-09 14:17:45,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:45,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:45,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:45,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:45,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:45,651 INFO L85 PathProgramCache]: Analyzing trace with hash 297897967, now seen corresponding path program 1 times [2024-02-09 14:17:45,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:45,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791814826] [2024-02-09 14:17:45,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:45,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:45,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:45,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:45,719 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:45,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:45,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:45,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:45,720 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:45,720 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:45,720 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:45,720 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:45,720 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2024-02-09 14:17:45,720 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:45,721 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:45,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:45,818 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:45,818 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:45,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:45,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:45,829 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) [2024-02-09 14:17:45,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:45,854 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 [2024-02-09 14:17:45,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-02-09 14:17:45,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:45,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:45,885 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 [2024-02-09 14:17:45,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:45,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:45,886 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) [2024-02-09 14:17:45,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:45,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:45,907 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 [2024-02-09 14:17:46,022 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:17:46,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:46,026 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:46,026 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:46,026 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:46,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:46,026 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:17:46,027 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,027 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:46,027 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:46,027 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2024-02-09 14:17:46,027 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:46,027 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:46,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,117 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:46,118 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:17:46,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,119 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) [2024-02-09 14:17:46,124 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 [2024-02-09 14:17:46,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 14:17:46,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:46,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,147 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:46,154 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:17:46,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,175 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 [2024-02-09 14:17:46,176 INFO L490 LassoAnalysis]: Using template '2-nested'. [2024-02-09 14:17:46,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,177 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) [2024-02-09 14:17:46,179 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 [2024-02-09 14:17:46,180 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 [2024-02-09 14:17:46,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:46,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,186 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,186 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:17:46,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 14:17:46,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,210 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 [2024-02-09 14:17:46,210 INFO L490 LassoAnalysis]: Using template '3-nested'. [2024-02-09 14:17:46,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,211 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) [2024-02-09 14:17:46,213 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 [2024-02-09 14:17:46,214 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 [2024-02-09 14:17:46,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:46,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,221 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,221 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:46,224 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:17:46,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,240 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 [2024-02-09 14:17:46,252 INFO L490 LassoAnalysis]: Using template '4-nested'. [2024-02-09 14:17:46,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,261 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) [2024-02-09 14:17:46,262 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 [2024-02-09 14:17:46,264 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 [2024-02-09 14:17:46,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:46,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,271 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,271 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:17:46,276 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-02-09 14:17:46,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,301 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 [2024-02-09 14:17:46,301 INFO L490 LassoAnalysis]: Using template '2-phase'. [2024-02-09 14:17:46,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,303 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) [2024-02-09 14:17:46,306 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 [2024-02-09 14:17:46,307 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 [2024-02-09 14:17:46,312 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:46,313 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:17:46,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,313 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,313 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:17:46,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 14:17:46,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-02-09 14:17:46,327 INFO L490 LassoAnalysis]: Using template '3-phase'. [2024-02-09 14:17:46,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,329 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) [2024-02-09 14:17:46,331 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 [2024-02-09 14:17:46,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:46,338 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-02-09 14:17:46,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,338 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,338 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:46,343 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:17:46,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,354 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 [2024-02-09 14:17:46,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-02-09 14:17:46,396 INFO L490 LassoAnalysis]: Using template '4-phase'. [2024-02-09 14:17:46,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,398 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) [2024-02-09 14:17:46,400 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 [2024-02-09 14:17:46,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:46,408 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:17:46,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,408 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,408 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:17:46,409 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 [2024-02-09 14:17:46,414 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-02-09 14:17:46,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:46,440 INFO L490 LassoAnalysis]: Using template '2-lex'. [2024-02-09 14:17:46,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,443 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) [2024-02-09 14:17:46,446 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 [2024-02-09 14:17:46,446 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 [2024-02-09 14:17:46,453 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:46,454 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:17:46,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,454 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,454 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:17:46,458 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:17:46,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,498 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 [2024-02-09 14:17:46,499 INFO L490 LassoAnalysis]: Using template '3-lex'. [2024-02-09 14:17:46,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,500 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2024-02-09 14:17:46,516 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 [2024-02-09 14:17:46,523 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:17:46,523 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:17:46,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:46,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:46,523 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:46,523 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-02-09 14:17:46,528 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-02-09 14:17:46,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:46,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-02-09 14:17:46,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:46,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:46,582 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:46,582 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:46,582 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:46,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:46,582 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:46,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:46,583 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:46,583 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Lasso [2024-02-09 14:17:46,583 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:46,583 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:46,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,706 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:46,706 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:46,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,708 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) [2024-02-09 14:17:46,723 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 [2024-02-09 14:17:46,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:46,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:46,773 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 [2024-02-09 14:17:46,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:46,775 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) [2024-02-09 14:17:46,786 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 [2024-02-09 14:17:46,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:46,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:46,924 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:17:46,928 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 [2024-02-09 14:17:46,934 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:46,935 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:46,935 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:46,935 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:46,935 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:17:46,935 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:46,935 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:46,935 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:46,935 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Lasso [2024-02-09 14:17:46,935 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:46,935 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:46,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:46,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:47,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:47,058 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:17:47,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:47,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:47,059 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) [2024-02-09 14:17:47,062 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 [2024-02-09 14:17:47,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:47,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:47,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:47,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:47,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:47,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:47,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:47,070 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 [2024-02-09 14:17:47,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:47,123 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 [2024-02-09 14:17:47,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:47,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:47,125 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) [2024-02-09 14:17:47,127 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 [2024-02-09 14:17:47,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:47,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:47,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:47,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:47,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:47,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:47,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:47,137 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 [2024-02-09 14:17:47,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:47,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:47,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:47,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:47,146 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) [2024-02-09 14:17:47,149 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 [2024-02-09 14:17:47,149 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 [2024-02-09 14:17:47,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:47,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:17:47,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:47,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:17:47,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:47,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:17:47,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:17:47,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:17:47,175 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 [2024-02-09 14:17:47,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:47,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:47,178 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) [2024-02-09 14:17:47,180 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 [2024-02-09 14:17:47,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:17:47,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:17:47,187 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:17:47,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:17:47,193 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 14:17:47,193 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 14:17:47,206 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 [2024-02-09 14:17:47,207 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 14:17:47,230 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-02-09 14:17:47,230 INFO L444 ModelExtractionUtils]: 6 out of 21 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-02-09 14:17:47,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:47,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:47,232 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) [2024-02-09 14:17:47,234 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 14:17:47,242 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 [2024-02-09 14:17:47,253 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-02-09 14:17:47,253 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 14:17:47,254 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 >= 0, -4*ULTIMATE.start_main_~y~0#1 + 5*ULTIMATE.start_main_~x~0#1 >= 0] [2024-02-09 14:17:47,270 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 [2024-02-09 14:17:47,275 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-02-09 14:17:47,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:47,298 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 14:17:47,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:17:47,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2024-02-09 14:17:47,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:17:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:17:47,420 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2024-02-09 14:17:47,420 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:47,483 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 75 transitions. Complement of second has 9 states. [2024-02-09 14:17:47,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-02-09 14:17:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:17:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-02-09 14:17:47,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 4 letters. Loop has 4 letters. [2024-02-09 14:17:47,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:47,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 8 letters. Loop has 4 letters. [2024-02-09 14:17:47,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:47,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 4 letters. Loop has 8 letters. [2024-02-09 14:17:47,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:17:47,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 75 transitions. [2024-02-09 14:17:47,487 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 14:17:47,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 0 states and 0 transitions. [2024-02-09 14:17:47,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-02-09 14:17:47,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-02-09 14:17:47,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-02-09 14:17:47,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-02-09 14:17:47,488 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 14:17:47,488 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 14:17:47,488 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 14:17:47,488 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-02-09 14:17:47,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-02-09 14:17:47,488 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 14:17:47,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-09 14:17:47,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 02:17:47 BoogieIcfgContainer [2024-02-09 14:17:47,494 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 14:17:47,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-09 14:17:47,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-09 14:17:47,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-09 14:17:47,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:39" (3/4) ... [2024-02-09 14:17:47,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2024-02-09 14:17:47,497 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-09 14:17:47,497 INFO L158 Benchmark]: Toolchain (without parser) took 8300.64ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 119.0MB in the beginning and 73.4MB in the end (delta: 45.6MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2024-02-09 14:17:47,498 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:47,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.52ms. Allocated memory is still 146.8MB. Free memory was 119.0MB in the beginning and 109.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:17:47,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.77ms. Allocated memory is still 146.8MB. Free memory was 109.4MB in the beginning and 107.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:17:47,498 INFO L158 Benchmark]: Boogie Preprocessor took 34.76ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 106.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:17:47,499 INFO L158 Benchmark]: RCFGBuilder took 323.20ms. Allocated memory is still 146.8MB. Free memory was 106.4MB in the beginning and 98.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:17:47,499 INFO L158 Benchmark]: BuchiAutomizer took 7722.56ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 98.0MB in the beginning and 74.5MB in the end (delta: 23.6MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-02-09 14:17:47,499 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 209.7MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:47,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.52ms. Allocated memory is still 146.8MB. Free memory was 119.0MB in the beginning and 109.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.77ms. Allocated memory is still 146.8MB. Free memory was 109.4MB in the beginning and 107.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.76ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 106.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.20ms. Allocated memory is still 146.8MB. Free memory was 106.4MB in the beginning and 98.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 7722.56ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 98.0MB in the beginning and 74.5MB in the end (delta: 23.6MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 209.7MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 8 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function ((2 * x) + y) and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 30 StatesRemovedByMinimization, 4 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 [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 29 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp94 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp89 dnf157 smp77 tf106 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 76ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-09 14:17:47,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:47,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-02-09 14:17:47,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE