./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/termination.prp --file ../../../trunk/examples/svcomp/termination-bwb/or-05-false.c --full-output --cacsl2boogietranslator.use.bitabs.translation false --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/or-05-false.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 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa --cacsl2boogietranslator.use.bitabs.translation false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-514d202-m [2024-02-09 14:18:34,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 14:18:34,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-02-09 14:18:34,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 14:18:34,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 14:18:34,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 14:18:34,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 14:18:34,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 14:18:34,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-09 14:18:34,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-09 14:18:34,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 14:18:34,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 14:18:34,279 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 14:18:34,279 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 14:18:34,279 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 14:18:34,280 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 14:18:34,280 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 14:18:34,280 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 14:18:34,280 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 14:18:34,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 14:18:34,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 14:18:34,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 14:18:34,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 14:18:34,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 14:18:34,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 14:18:34,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 14:18:34,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-09 14:18:34,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 14:18:34,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 14:18:34,284 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 14:18:34,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 14:18:34,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 14:18:34,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 14:18:34,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 14:18:34,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 14:18:34,286 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 14:18:34,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2024-02-09 14:18:34,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 14:18:34,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 14:18:34,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 14:18:34,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-09 14:18:34,532 INFO L274 PluginConnector]: CDTParser initialized [2024-02-09 14:18:34,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-bwb/or-05-false.c [2024-02-09 14:18:35,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-09 14:18:35,813 INFO L384 CDTParser]: Found 1 translation units. [2024-02-09 14:18:35,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-bwb/or-05-false.c [2024-02-09 14:18:35,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0124421e/1de1a265d624430eaa1353b2c8859843/FLAG04aaa1cea [2024-02-09 14:18:35,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0124421e/1de1a265d624430eaa1353b2c8859843 [2024-02-09 14:18:35,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 14:18:35,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-09 14:18:35,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-09 14:18:35,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-09 14:18:35,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-09 14:18:35,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:18:35" (1/1) ... [2024-02-09 14:18:35,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50963038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:35, skipping insertion in model container [2024-02-09 14:18:35,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:18:35" (1/1) ... [2024-02-09 14:18:35,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-09 14:18:35,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:18:35,989 INFO L202 MainTranslator]: Completed pre-run [2024-02-09 14:18:36,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:18:36,010 INFO L206 MainTranslator]: Completed translation [2024-02-09 14:18:36,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36 WrapperNode [2024-02-09 14:18:36,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-09 14:18:36,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 14:18:36,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 14:18:36,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 14:18:36,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,036 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-02-09 14:18:36,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 14:18:36,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 14:18:36,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 14:18:36,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 14:18:36,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,053 INFO L175 MemorySlicer]: No memory access in input program. [2024-02-09 14:18:36,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 14:18:36,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 14:18:36,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 14:18:36,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 14:18:36,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (1/1) ... [2024-02-09 14:18:36,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:36,117 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 14:18:36,122 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 14:18:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 14:18:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 14:18:36,202 INFO L241 CfgBuilder]: Building ICFG [2024-02-09 14:18:36,203 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 14:18:36,264 INFO L282 CfgBuilder]: Performing block encoding [2024-02-09 14:18:36,270 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 14:18:36,270 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 14:18:36,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:36 BoogieIcfgContainer [2024-02-09 14:18:36,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 14:18:36,272 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 14:18:36,272 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 14:18:36,275 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 14:18:36,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:36,276 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.02 02:18:35" (1/3) ... [2024-02-09 14:18:36,277 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385a9a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:18:36, skipping insertion in model container [2024-02-09 14:18:36,277 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:36,277 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:36" (2/3) ... [2024-02-09 14:18:36,278 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385a9a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:18:36, skipping insertion in model container [2024-02-09 14:18:36,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:36,278 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:36" (3/3) ... [2024-02-09 14:18:36,279 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-05-false.c [2024-02-09 14:18:36,353 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 14:18:36,353 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 14:18:36,353 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 14:18:36,354 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 14:18:36,354 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 14:18:36,354 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 14:18:36,354 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 14:18:36,354 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 14:18:36,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:18:36,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-02-09 14:18:36,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:36,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:36,394 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:18:36,394 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-02-09 14:18:36,394 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 14:18:36,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:18:36,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-02-09 14:18:36,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:36,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:36,396 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:18:36,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-02-09 14:18:36,402 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~ret1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 5#L20-2true [2024-02-09 14:18:36,402 INFO L750 eck$LassoCheckResult]: Loop: 5#L20-2true assume !!(main_~x~0#1 > 0); 8#L20true assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 5#L20-2true [2024-02-09 14:18:36,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:36,406 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-02-09 14:18:36,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:36,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016959048] [2024-02-09 14:18:36,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:36,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:36,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:36,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:36,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:36,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-02-09 14:18:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:36,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323023286] [2024-02-09 14:18:36,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:36,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:36,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:36,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-02-09 14:18:36,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:36,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045532731] [2024-02-09 14:18:36,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:36,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:36,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:36,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:36,586 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:18:36,586 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:18:36,587 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:18:36,587 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:18:36,587 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:18:36,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:18:36,588 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:18:36,588 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2024-02-09 14:18:36,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:18:36,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:18:36,600 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 14:18:36,614 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 14:18:36,670 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:18:36,670 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:18:36,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:36,675 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 14:18:36,676 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 14:18:36,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:36,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:36,701 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 14:18:36,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:36,703 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 14:18:36,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:18:36,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:36,719 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 14:18:36,732 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:36,732 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=1}] Lambdas: [12, 8, 1] Nus: [1, 0] [2024-02-09 14:18:36,738 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 14:18:36,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:36,740 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 14:18:36,741 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 14:18:36,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:36,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:36,763 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 14:18:36,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:36,765 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 14:18:36,767 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 14:18:36,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:18:36,768 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:36,812 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:18:36,818 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 14:18:36,818 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:18:36,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:18:36,819 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:18:36,819 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:18:36,819 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:18:36,819 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,819 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:18:36,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:18:36,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2024-02-09 14:18:36,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:18:36,819 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:18:36,820 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 14:18:36,827 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 14:18:36,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:18:36,878 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:18:36,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:36,880 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 14:18:36,886 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 14:18:36,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:36,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:36,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:36,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:36,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:18:36,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:18:36,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:36,899 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 14:18:36,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:36,940 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 14:18:36,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:36,943 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 14:18:36,946 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 14:18:36,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:36,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:36,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:36,953 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:36,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:18:36,955 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:18:36,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:36,958 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 14:18:36,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:36,978 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 14:18:36,978 INFO L490 LassoAnalysis]: Using template '2-nested'. [2024-02-09 14:18:36,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:36,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:36,993 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 14:18:36,998 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 14:18:36,998 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 14:18:37,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:37,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:37,006 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:18:37,007 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-02-09 14:18:37,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,026 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 14:18:37,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,027 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 14:18:37,032 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 14:18:37,032 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 14:18:37,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:37,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,039 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:37,039 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:18:37,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 14:18:37,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,067 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 14:18:37,068 INFO L490 LassoAnalysis]: Using template '3-nested'. [2024-02-09 14:18:37,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,069 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 14:18:37,075 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 14:18:37,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:37,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:37,082 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:18:37,084 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:18:37,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,087 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 14:18:37,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,104 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 14:18:37,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,105 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 14:18:37,136 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 14:18:37,137 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 14:18:37,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:37,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,144 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:37,144 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:18:37,147 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:18:37,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,166 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 14:18:37,166 INFO L490 LassoAnalysis]: Using template '4-nested'. [2024-02-09 14:18:37,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,168 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 14:18:37,168 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 14:18:37,170 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 14:18:37,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:37,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:37,177 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:18:37,179 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-02-09 14:18:37,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,200 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 14:18:37,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,201 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 14:18:37,202 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 14:18:37,204 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 14:18:37,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:37,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,211 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:37,211 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:18:37,215 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-02-09 14:18:37,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,232 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 14:18:37,236 INFO L490 LassoAnalysis]: Using template '2-phase'. [2024-02-09 14:18:37,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,252 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 14:18:37,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-02-09 14:18:37,255 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 14:18:37,267 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,267 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:18:37,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:37,268 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:18:37,269 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-02-09 14:18:37,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-02-09 14:18:37,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,287 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 14:18:37,312 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 14:18:37,313 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 14:18:37,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,320 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:18:37,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,320 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:37,320 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-02-09 14:18:37,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 14:18:37,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,359 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 14:18:37,359 INFO L490 LassoAnalysis]: Using template '3-phase'. [2024-02-09 14:18:37,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,360 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 14:18:37,365 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 14:18:37,373 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,373 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-02-09 14:18:37,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:37,374 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:18:37,376 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:18:37,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,382 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 14:18:37,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:37,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,413 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 14:18:37,418 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 14:18:37,425 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,425 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-02-09 14:18:37,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,425 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:37,425 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:18:37,429 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:18:37,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,438 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 14:18:37,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:37,462 INFO L490 LassoAnalysis]: Using template '4-phase'. [2024-02-09 14:18:37,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,463 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 14:18:37,466 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 14:18:37,471 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 14:18:37,479 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,479 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:18:37,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:37,479 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:18:37,482 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-02-09 14:18:37,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:37,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,515 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 14:18:37,550 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 14:18:37,558 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,558 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:18:37,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,558 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:37,558 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-02-09 14:18:37,565 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-02-09 14:18:37,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,571 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 14:18:37,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,600 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 14:18:37,601 INFO L490 LassoAnalysis]: Using template '2-lex'. [2024-02-09 14:18:37,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,603 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 14:18:37,610 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 14:18:37,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,618 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:18:37,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:37,618 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:18:37,619 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-02-09 14:18:37,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,623 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 14:18:37,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,637 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 14:18:37,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,640 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 14:18:37,652 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 14:18:37,653 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 14:18:37,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,660 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-02-09 14:18:37,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,660 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:37,660 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-02-09 14:18:37,663 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 14:18:37,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,682 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 14:18:37,682 INFO L490 LassoAnalysis]: Using template '3-lex'. [2024-02-09 14:18:37,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,683 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 14:18:37,686 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 14:18:37,693 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,693 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:18:37,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:37,693 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-02-09 14:18:37,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 14:18:37,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,701 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 14:18:37,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,712 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 14:18:37,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,713 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 14:18:37,720 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 14:18:37,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-02-09 14:18:37,727 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-02-09 14:18:37,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:37,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:37,728 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:37,728 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-02-09 14:18:37,731 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-02-09 14:18:37,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:37,740 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 14:18:37,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:37,750 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 14:18:37,757 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:18:37,757 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:18:37,757 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:18:37,757 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:18:37,757 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:18:37,757 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,757 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:18:37,757 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:18:37,757 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2024-02-09 14:18:37,757 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:18:37,758 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:18:37,758 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 14:18:37,763 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 14:18:37,765 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 14:18:37,771 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 14:18:37,773 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 14:18:37,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:18:37,824 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:18:37,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,825 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 14:18:37,832 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 14:18:37,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:37,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:37,871 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:37,872 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:37,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:37,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,878 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 14:18:37,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:37,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:37,890 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 14:18:37,898 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:37,898 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1#1=0} Honda state: {ULTIMATE.start_main_#t~ret1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:37,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:37,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,905 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 14:18:37,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:37,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:37,917 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 14:18:37,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:37,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:37,934 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 14:18:37,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:18:37,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:37,948 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 14:18:37,951 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 14:18:37,956 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 14:18:37,957 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:18:37,957 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:18:37,957 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:18:37,957 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:18:37,957 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 14:18:37,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:37,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:18:37,957 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:18:37,957 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2024-02-09 14:18:37,957 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:18:37,957 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:18:37,958 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 14:18:37,961 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 14:18:37,962 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 14:18:37,964 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 14:18:37,969 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 14:18:38,011 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:18:38,011 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 14:18:38,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:38,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:38,012 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 14:18:38,015 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 14:18:38,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:38,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:38,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:38,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:38,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:18:38,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:18:38,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:38,024 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 14:18:38,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:38,041 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 14:18:38,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:38,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:38,042 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 14:18:38,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 14:18:38,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:38,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:38,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:38,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:38,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:18:38,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:18:38,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:38,055 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 14:18:38,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:38,068 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 14:18:38,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:38,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:38,069 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 14:18:38,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 14:18:38,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:38,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 14:18:38,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:38,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 14:18:38,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:18:38,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 14:18:38,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 14:18:38,081 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 14:18:38,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 14:18:38,093 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 14:18:38,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:38,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:38,095 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 14:18:38,097 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 14:18:38,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 14:18:38,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 14:18:38,103 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 14:18:38,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 14:18:38,107 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-09 14:18:38,107 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 14:18:38,116 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 14:18:38,128 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 14:18:38,150 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-09 14:18:38,150 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-02-09 14:18:38,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:38,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:38,190 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 14:18:38,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 14:18:38,205 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 14:18:38,216 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-02-09 14:18:38,216 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 14:18:38,216 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 2 Supporting invariants [-1*ULTIMATE.start_main_~y~0#1 + 1 >= 0] [2024-02-09 14:18:38,222 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 14:18:38,226 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 14:18:38,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:18:38,253 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2024-02-09 14:18:38,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:18:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:18:38,261 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2024-02-09 14:18:38,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 14:18:38,278 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 14:18:38,299 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-02-09 14:18:38,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:18:38,362 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 14:18:38,411 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 29 transitions. Complement of second has 6 states. [2024-02-09 14:18:38,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-02-09 14:18:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:18:38,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-02-09 14:18:38,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2024-02-09 14:18:38,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:18:38,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2024-02-09 14:18:38,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:18:38,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2024-02-09 14:18:38,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 14:18:38,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2024-02-09 14:18:38,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-02-09 14:18:38,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 9 states and 12 transitions. [2024-02-09 14:18:38,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-02-09 14:18:38,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-02-09 14:18:38,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-02-09 14:18:38,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:18:38,424 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-02-09 14:18:38,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-02-09 14:18:38,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-02-09 14:18:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:18:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-02-09 14:18:38,440 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-02-09 14:18:38,440 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-02-09 14:18:38,440 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 14:18:38,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-02-09 14:18:38,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-02-09 14:18:38,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:38,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:38,441 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 14:18:38,441 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-02-09 14:18:38,441 INFO L748 eck$LassoCheckResult]: Stem: 76#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 77#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~ret1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 78#L20-2 assume !!(main_~x~0#1 > 0); 73#L20 [2024-02-09 14:18:38,441 INFO L750 eck$LassoCheckResult]: Loop: 73#L20 assume 1 == main_~y~0#1;main_~x~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 72#L20-2 assume !!(main_~x~0#1 > 0); 73#L20 [2024-02-09 14:18:38,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:38,442 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-02-09 14:18:38,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:38,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974468497] [2024-02-09 14:18:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:38,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:38,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:38,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2024-02-09 14:18:38,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:38,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114526395] [2024-02-09 14:18:38,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:38,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash 28699749, now seen corresponding path program 1 times [2024-02-09 14:18:38,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:38,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202608589] [2024-02-09 14:18:38,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:38,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 14:18:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 14:18:38,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-09 14:18:38,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202608589] [2024-02-09 14:18:38,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202608589] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-09 14:18:38,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-09 14:18:38,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-09 14:18:38,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527627774] [2024-02-09 14:18:38,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-09 14:18:38,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-09 14:18:38,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-09 14:18:38,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-09 14:18:38,494 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:18:38,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-02-09 14:18:38,499 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2024-02-09 14:18:38,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2024-02-09 14:18:38,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-02-09 14:18:38,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2024-02-09 14:18:38,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-02-09 14:18:38,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-02-09 14:18:38,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2024-02-09 14:18:38,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 14:18:38,500 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-02-09 14:18:38,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2024-02-09 14:18:38,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-02-09 14:18:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 14:18:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-02-09 14:18:38,501 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-02-09 14:18:38,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-09 14:18:38,502 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-02-09 14:18:38,502 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 14:18:38,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2024-02-09 14:18:38,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-02-09 14:18:38,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:38,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:38,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2024-02-09 14:18:38,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-02-09 14:18:38,503 INFO L748 eck$LassoCheckResult]: Stem: 102#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 103#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~ret1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 98#L20-2 assume !!(main_~x~0#1 > 0); 99#L20 assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 106#L20-2 assume !!(main_~x~0#1 > 0); 104#L20 [2024-02-09 14:18:38,503 INFO L750 eck$LassoCheckResult]: Loop: 104#L20 assume 1 == main_~y~0#1;main_~x~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 105#L20-2 assume !!(main_~x~0#1 > 0); 104#L20 [2024-02-09 14:18:38,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:38,503 INFO L85 PathProgramCache]: Analyzing trace with hash 28699811, now seen corresponding path program 2 times [2024-02-09 14:18:38,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:38,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031124131] [2024-02-09 14:18:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:38,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:38,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 2 times [2024-02-09 14:18:38,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:38,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74854979] [2024-02-09 14:18:38,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:38,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:38,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:38,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715040, now seen corresponding path program 1 times [2024-02-09 14:18:38,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:38,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051482345] [2024-02-09 14:18:38,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:38,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:38,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 02:18:38 BoogieIcfgContainer [2024-02-09 14:18:38,573 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 14:18:38,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-09 14:18:38,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-09 14:18:38,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-09 14:18:38,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:36" (3/4) ... [2024-02-09 14:18:38,575 INFO L140 WitnessPrinter]: No result that supports witness generation found [2024-02-09 14:18:38,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-09 14:18:38,576 INFO L158 Benchmark]: Toolchain (without parser) took 2734.59ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 96.2MB in the beginning and 175.2MB in the end (delta: -79.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:38,577 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:38,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.44ms. Allocated memory is still 167.8MB. Free memory was 96.0MB in the beginning and 86.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:18:38,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.41ms. Allocated memory is still 167.8MB. Free memory was 86.3MB in the beginning and 85.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:38,577 INFO L158 Benchmark]: Boogie Preprocessor took 23.26ms. Allocated memory is still 167.8MB. Free memory was 85.0MB in the beginning and 83.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:38,578 INFO L158 Benchmark]: RCFGBuilder took 209.26ms. Allocated memory is still 167.8MB. Free memory was 83.6MB in the beginning and 75.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:18:38,578 INFO L158 Benchmark]: BuchiAutomizer took 2301.05ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 75.1MB in the beginning and 175.6MB in the end (delta: -100.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:38,578 INFO L158 Benchmark]: Witness Printer took 2.54ms. Allocated memory is still 230.7MB. Free memory is still 175.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:38,580 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.44ms. Allocated memory is still 167.8MB. Free memory was 96.0MB in the beginning and 86.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.41ms. Allocated memory is still 167.8MB. Free memory was 86.3MB in the beginning and 85.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.26ms. Allocated memory is still 167.8MB. Free memory was 85.0MB in the beginning and 83.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 209.26ms. Allocated memory is still 167.8MB. Free memory was 83.6MB in the beginning and 75.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2301.05ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 75.1MB in the beginning and 175.6MB in the end (delta: -100.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.54ms. Allocated memory is still 230.7MB. Free memory is still 175.2MB. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function ((-1 * y) + 2) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf94 smp100 dnf132 smp100 tf104 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 122ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: y|(y+1) [21] (Reason bitwise operation) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~ret1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;" "assume !!(main_~x~0#1 > 0);" "assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume !!(main_~x~0#1 > 0);" Loop: "assume 1 == main_~y~0#1;main_~x~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume !!(main_~x~0#1 > 0);" RESULT: Ultimate could not prove your program: unable to determine termination [2024-02-09 14:18:38,592 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN