./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_23.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_23.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:14:46,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:14:46,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:14:46,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:14:46,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:14:46,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:14:46,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:14:46,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:14:46,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:14:46,576 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:14:46,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:14:46,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:14:46,577 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:14:46,578 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:14:46,580 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:14:46,580 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:14:46,580 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:14:46,581 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:14:46,581 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:14:46,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:14:46,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:14:46,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:14:46,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:14:46,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:14:46,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:14:46,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:14:46,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:14:46,584 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:14:46,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:14:46,585 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:14:46,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:14:46,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:14:46,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:14:46,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:14:46,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:14:46,587 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:14:46,587 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf [2024-10-12 00:14:46,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:14:46,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:14:46,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:14:46,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:14:46,875 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:14:46,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_23.c [2024-10-12 00:14:48,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:14:48,468 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:14:48,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_23.c [2024-10-12 00:14:48,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/74a09be4f/bd40d3c38ba14640bf6c439de53332e8/FLAG009b72c9b [2024-10-12 00:14:48,494 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/74a09be4f/bd40d3c38ba14640bf6c439de53332e8 [2024-10-12 00:14:48,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:14:48,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:14:48,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:14:48,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:14:48,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:14:48,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e5ab38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48, skipping insertion in model container [2024-10-12 00:14:48,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:14:48,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:14:48,689 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:14:48,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:14:48,714 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:14:48,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48 WrapperNode [2024-10-12 00:14:48,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:14:48,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:14:48,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:14:48,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:14:48,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,738 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2024-10-12 00:14:48,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:14:48,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:14:48,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:14:48,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:14:48,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,756 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-12 00:14:48,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:14:48,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:14:48,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:14:48,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:14:48,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (1/1) ... [2024-10-12 00:14:48,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:48,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:48,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:48,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:14:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:14:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:14:48,920 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:14:48,922 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:14:48,963 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-10-12 00:14:48,963 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:14:48,973 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:14:48,973 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:14:48,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:48 BoogieIcfgContainer [2024-10-12 00:14:48,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:14:48,975 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:14:48,975 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:14:48,978 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:14:48,979 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:48,979 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:14:48" (1/3) ... [2024-10-12 00:14:48,980 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@670eb5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:14:48, skipping insertion in model container [2024-10-12 00:14:48,980 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:48,980 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:48" (2/3) ... [2024-10-12 00:14:48,981 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@670eb5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:14:48, skipping insertion in model container [2024-10-12 00:14:48,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:48,981 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:48" (3/3) ... [2024-10-12 00:14:48,982 INFO L332 chiAutomizerObserver]: Analyzing ICFG NO_23.c [2024-10-12 00:14:49,051 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:14:49,051 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:14:49,051 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:14:49,051 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:14:49,052 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:14:49,052 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:14:49,052 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:14:49,052 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:14:49,057 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) [2024-10-12 00:14:49,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:49,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:49,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:49,080 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:14:49,081 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:49,081 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:14:49,083 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) [2024-10-12 00:14:49,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:49,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:49,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:49,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:14:49,085 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:49,094 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 3#L10-2true [2024-10-12 00:14:49,095 INFO L747 eck$LassoCheckResult]: Loop: 3#L10-2true assume !!(main_~i~0#1 < 100); 5#L10true assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 3#L10-2true [2024-10-12 00:14:49,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:49,102 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:14:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:49,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827535989] [2024-10-12 00:14:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:49,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:49,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:49,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:49,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:49,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-10-12 00:14:49,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:49,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040987384] [2024-10-12 00:14:49,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:49,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:49,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:49,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:49,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:49,261 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-12 00:14:49,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:49,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280526996] [2024-10-12 00:14:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:49,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:49,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:14:49,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280526996] [2024-10-12 00:14:49,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280526996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:14:49,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:14:49,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 00:14:49,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164704456] [2024-10-12 00:14:49,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:14:49,451 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:49,452 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:49,452 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:49,453 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:49,453 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:14:49,453 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,453 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:49,453 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:49,454 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2024-10-12 00:14:49,454 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:49,454 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:49,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:49,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:49,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:49,566 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:49,567 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:14:49,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:49,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:49,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:14:49,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:49,576 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:49,600 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:49,601 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:49,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-12 00:14:49,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:49,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:49,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:14:49,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:49,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:49,643 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:49,643 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:49,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:49,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:49,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:49,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:14:49,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:49,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:49,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:14:49,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:49,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:49,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:14:49,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:14:49,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:49,719 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:14:49,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:49,736 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:49,736 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:49,736 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:49,736 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:49,736 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:14:49,736 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,736 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:49,736 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:49,736 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2024-10-12 00:14:49,737 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:49,737 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:49,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:49,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:49,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:49,836 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:49,846 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:14:49,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:49,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:49,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:14:49,852 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 [2024-10-12 00:14:49,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:49,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:49,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:49,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:49,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:49,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:49,877 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:49,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:14:49,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:49,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:49,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:14:49,921 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 [2024-10-12 00:14:49,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:49,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:49,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:49,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:49,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:49,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:49,943 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:49,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:49,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:49,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:49,965 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:49,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:14:49,967 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 [2024-10-12 00:14:49,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:49,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:49,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:49,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:49,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:49,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:14:49,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:49,990 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:14:50,001 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:14:50,002 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:14:50,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,010 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:14:50,020 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:14:50,020 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:14:50,020 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:14:50,021 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-12 00:14:50,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:50,035 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:14:50,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:50,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:50,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:50,089 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:50,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:50,126 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 [2024-10-12 00:14:50,129 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) [2024-10-12 00:14:50,162 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 17 states and 24 transitions. Complement of second has 6 states. [2024-10-12 00:14:50,164 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 [2024-10-12 00:14:50,168 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) [2024-10-12 00:14:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-10-12 00:14:50,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-12 00:14:50,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:50,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:14:50,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:50,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-12 00:14:50,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:50,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2024-10-12 00:14:50,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:50,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 8 states and 11 transitions. [2024-10-12 00:14:50,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-12 00:14:50,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-12 00:14:50,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-10-12 00:14:50,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:14:50,180 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-12 00:14:50,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-10-12 00:14:50,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-12 00:14:50,199 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) [2024-10-12 00:14:50,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-10-12 00:14:50,201 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-12 00:14:50,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:14:50,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:14:50,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:14:50,204 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand has 3 states, 2 states have (on average 2.0) 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) [2024-10-12 00:14:50,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:14:50,214 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2024-10-12 00:14:50,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2024-10-12 00:14:50,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:50,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 7 transitions. [2024-10-12 00:14:50,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-12 00:14:50,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-12 00:14:50,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2024-10-12 00:14:50,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:14:50,216 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-12 00:14:50,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2024-10-12 00:14:50,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-10-12 00:14:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2024-10-12 00:14:50,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-12 00:14:50,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:14:50,218 INFO L425 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-12 00:14:50,219 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:14:50,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2024-10-12 00:14:50,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:50,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:50,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:50,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-12 00:14:50,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:50,220 INFO L745 eck$LassoCheckResult]: Stem: 79#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 80#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 81#L10-2 assume !!(main_~i~0#1 < 100); 78#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 76#L10-2 [2024-10-12 00:14:50,220 INFO L747 eck$LassoCheckResult]: Loop: 76#L10-2 assume !!(main_~i~0#1 < 100); 77#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 76#L10-2 [2024-10-12 00:14:50,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:50,221 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-12 00:14:50,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:50,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118373042] [2024-10-12 00:14:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:50,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:50,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:50,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:50,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:50,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2024-10-12 00:14:50,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:50,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424755073] [2024-10-12 00:14:50,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:50,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:50,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:50,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:50,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:50,239 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2024-10-12 00:14:50,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:50,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678695096] [2024-10-12 00:14:50,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:50,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:50,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:50,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:50,273 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:50,274 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:50,274 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:50,274 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:50,274 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:14:50,274 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,274 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:50,274 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:50,275 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2024-10-12 00:14:50,275 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:50,275 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:50,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,332 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:50,333 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:14:50,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,335 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:14:50,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:50,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:50,363 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:50,364 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:50,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:14:50,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,382 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:14:50,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:50,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:50,405 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:50,405 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:50,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:50,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,418 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:14:50,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:50,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:50,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 00:14:50,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,444 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:14:50,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:14:50,446 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:50,460 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:14:50,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:14:50,472 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:50,472 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:50,472 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:50,472 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:50,472 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:14:50,472 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,472 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:50,473 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:50,473 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2024-10-12 00:14:50,473 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:50,473 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:50,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,524 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:50,524 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:14:50,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,527 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:14:50,530 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 [2024-10-12 00:14:50,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:50,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:50,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:50,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:50,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:50,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:50,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:50,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-12 00:14:50,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,569 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 00:14:50,571 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 [2024-10-12 00:14:50,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:50,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:50,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:50,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:50,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:50,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:50,589 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:50,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-12 00:14:50,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,607 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-12 00:14:50,612 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 [2024-10-12 00:14:50,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:50,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:50,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:50,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:50,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:50,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:14:50,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:50,629 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:14:50,631 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-12 00:14:50,632 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:14:50,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,634 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-12 00:14:50,638 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:14:50,638 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:14:50,638 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:14:50,638 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-12 00:14:50,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-12 00:14:50,656 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:14:50,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:50,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:50,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:50,684 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:50,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:50,688 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 [2024-10-12 00:14:50,688 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-12 00:14:50,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 10 states and 13 transitions. Complement of second has 5 states. [2024-10-12 00:14:50,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-12 00:14:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-12 00:14:50,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:14:50,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:50,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-12 00:14:50,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:50,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-12 00:14:50,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:50,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2024-10-12 00:14:50,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:50,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2024-10-12 00:14:50,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-12 00:14:50,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:14:50,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2024-10-12 00:14:50,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:14:50,703 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-12 00:14:50,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2024-10-12 00:14:50,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-12 00:14:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2024-10-12 00:14:50,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-12 00:14:50,705 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-12 00:14:50,705 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:14:50,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2024-10-12 00:14:50,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:50,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:50,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:50,706 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2024-10-12 00:14:50,706 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:50,706 INFO L745 eck$LassoCheckResult]: Stem: 134#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 135#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 136#L10-2 assume !!(main_~i~0#1 < 100); 138#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 137#L10-2 assume !!(main_~i~0#1 < 100); 133#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 129#L10-2 [2024-10-12 00:14:50,706 INFO L747 eck$LassoCheckResult]: Loop: 129#L10-2 assume !!(main_~i~0#1 < 100); 130#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 129#L10-2 [2024-10-12 00:14:50,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2024-10-12 00:14:50,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:50,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30202560] [2024-10-12 00:14:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:50,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:50,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:14:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30202560] [2024-10-12 00:14:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30202560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:14:50,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:14:50,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 00:14:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86911586] [2024-10-12 00:14:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:14:50,734 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:14:50,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:50,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2024-10-12 00:14:50,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:50,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653112090] [2024-10-12 00:14:50,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:50,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:50,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:50,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:50,784 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:50,784 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:50,784 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:50,785 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:50,785 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:14:50,785 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,785 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:50,785 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:50,785 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2024-10-12 00:14:50,785 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:50,785 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:50,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,832 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:50,833 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:14:50,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,835 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 00:14:50,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:50,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:50,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-12 00:14:50,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,863 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 00:14:50,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:14:50,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:50,878 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:14:50,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:50,895 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:50,895 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:50,895 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:50,895 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:50,895 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:14:50,895 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,895 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:50,895 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:50,895 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2024-10-12 00:14:50,895 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:50,895 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:50,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:50,941 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:50,942 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:14:50,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,944 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 00:14:50,948 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 [2024-10-12 00:14:50,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:50,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:50,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:50,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:50,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:50,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:14:50,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:50,965 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:14:50,969 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:14:50,969 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:14:50,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:50,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:50,972 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:50,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 00:14:50,974 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:14:50,974 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:14:50,975 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:14:50,975 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-12 00:14:50,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-12 00:14:50,992 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:14:51,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:51,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:51,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:51,029 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:51,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:51,032 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 [2024-10-12 00:14:51,033 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:51,046 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2024-10-12 00:14:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-12 00:14:51,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-12 00:14:51,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:51,049 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:14:51,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:51,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:51,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:51,093 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:51,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:51,097 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-12 00:14:51,097 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:51,109 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2024-10-12 00:14:51,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-12 00:14:51,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-12 00:14:51,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:51,112 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:14:51,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:51,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:51,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:51,152 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:51,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:51,157 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-12 00:14:51,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:51,174 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 20 transitions. Complement of second has 4 states. [2024-10-12 00:14:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-10-12 00:14:51,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-12 00:14:51,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:51,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-12 00:14:51,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:51,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-12 00:14:51,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:51,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2024-10-12 00:14:51,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:14:51,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 16 transitions. [2024-10-12 00:14:51,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-12 00:14:51,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:14:51,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2024-10-12 00:14:51,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:14:51,182 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-10-12 00:14:51,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2024-10-12 00:14:51,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2024-10-12 00:14:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-10-12 00:14:51,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-10-12 00:14:51,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:14:51,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:14:51,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:14:51,185 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-12 00:14:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:14:51,192 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-10-12 00:14:51,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-12 00:14:51,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-12 00:14:51,193 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 9 transitions. [2024-10-12 00:14:51,193 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-12 00:14:51,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-10-12 00:14:51,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2024-10-12 00:14:51,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:14:51,193 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2024-10-12 00:14:51,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2024-10-12 00:14:51,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2024-10-12 00:14:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-10-12 00:14:51,195 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-12 00:14:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:14:51,197 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-12 00:14:51,197 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:14:51,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-10-12 00:14:51,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:14:51,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:51,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:51,198 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:14:51,198 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-10-12 00:14:51,198 INFO L745 eck$LassoCheckResult]: Stem: 294#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 296#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 [2024-10-12 00:14:51,198 INFO L747 eck$LassoCheckResult]: Loop: 293#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 290#L10-2 assume !!(main_~i~0#1 < 100); 291#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 292#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 [2024-10-12 00:14:51,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:51,199 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-12 00:14:51,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:51,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690335370] [2024-10-12 00:14:51,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:51,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:51,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:51,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:51,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:51,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 1 times [2024-10-12 00:14:51,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:51,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433419404] [2024-10-12 00:14:51,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:51,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:51,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:51,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:51,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:51,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 2 times [2024-10-12 00:14:51,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:51,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425933683] [2024-10-12 00:14:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:51,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:51,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:51,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:51,275 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:51,276 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:51,276 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:51,276 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:51,276 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:14:51,276 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,276 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:51,276 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:51,276 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2024-10-12 00:14:51,276 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:51,276 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:51,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:51,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:51,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:51,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:51,336 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:51,336 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:14:51,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,340 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 00:14:51,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:51,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:51,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:51,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,377 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-12 00:14:51,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:14:51,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:51,414 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:14:51,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:51,421 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:51,421 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:51,421 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:51,421 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:51,421 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:14:51,421 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,421 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:51,421 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:51,421 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2024-10-12 00:14:51,421 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:51,421 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:51,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:51,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:51,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:51,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:51,485 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:51,486 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:14:51,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,489 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-12 00:14:51,491 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 [2024-10-12 00:14:51,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:51,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:51,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:51,509 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-12 00:14:51,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,528 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-12 00:14:51,531 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 [2024-10-12 00:14:51,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:51,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:51,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:14:51,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:51,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:51,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,561 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-12 00:14:51,563 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 [2024-10-12 00:14:51,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:51,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:51,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:51,582 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-12 00:14:51,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,594 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-12 00:14:51,596 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 [2024-10-12 00:14:51,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:51,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:51,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:51,612 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-12 00:14:51,628 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-12 00:14:51,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,630 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-12 00:14:51,632 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 [2024-10-12 00:14:51,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,646 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:14:51,649 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-12 00:14:51,649 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-12 00:14:51,656 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-12 00:14:51,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,673 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-12 00:14:51,676 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 [2024-10-12 00:14:51,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:51,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,690 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:14:51,691 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-12 00:14:51,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:51,693 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:51,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,710 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-12 00:14:51,713 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 [2024-10-12 00:14:51,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,727 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:14:51,730 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-12 00:14:51,730 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-12 00:14:51,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:51,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,757 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-12 00:14:51,760 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 [2024-10-12 00:14:51,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,775 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:14:51,777 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-12 00:14:51,777 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-12 00:14:51,782 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:51,798 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-10-12 00:14:51,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,802 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-12 00:14:51,803 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 [2024-10-12 00:14:51,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,817 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:51,822 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:51,822 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:51,834 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-12 00:14:51,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,854 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-12 00:14:51,856 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 [2024-10-12 00:14:51,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:51,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,868 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:51,869 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-12 00:14:51,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:51,872 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-12 00:14:51,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,891 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-12 00:14:51,892 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 [2024-10-12 00:14:51,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,905 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:51,908 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:51,908 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:51,913 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:51,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,949 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-12 00:14:51,951 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 [2024-10-12 00:14:51,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:51,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:51,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:51,962 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:51,965 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:51,965 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:51,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:51,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-12 00:14:51,986 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-10-12 00:14:51,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:51,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:51,988 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:51,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-12 00:14:51,990 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 [2024-10-12 00:14:52,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:52,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,004 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:14:52,008 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-12 00:14:52,009 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-12 00:14:52,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-12 00:14:52,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,056 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-12 00:14:52,058 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 [2024-10-12 00:14:52,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:52,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:52,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,071 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:14:52,072 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-12 00:14:52,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:52,076 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,088 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,090 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 [2024-10-12 00:14:52,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-12 00:14:52,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:52,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,104 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:14:52,107 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-12 00:14:52,107 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-12 00:14:52,114 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,130 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-12 00:14:52,132 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 [2024-10-12 00:14:52,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:52,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,146 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:14:52,149 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-12 00:14:52,149 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-12 00:14:52,155 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,169 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-10-12 00:14:52,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,171 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,174 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 [2024-10-12 00:14:52,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-12 00:14:52,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,186 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:14:52,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,186 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:14:52,190 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-12 00:14:52,190 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-12 00:14:52,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,214 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-12 00:14:52,217 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 [2024-10-12 00:14:52,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,230 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:14:52,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:52,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,230 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:14:52,231 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-12 00:14:52,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:52,234 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-12 00:14:52,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,251 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-12 00:14:52,253 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 [2024-10-12 00:14:52,265 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,266 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:14:52,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,266 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:14:52,268 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-12 00:14:52,269 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-12 00:14:52,273 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-12 00:14:52,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,290 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-12 00:14:52,293 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 [2024-10-12 00:14:52,306 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,307 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:14:52,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,307 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:14:52,310 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-12 00:14:52,310 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-12 00:14:52,316 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,331 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-10-12 00:14:52,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,333 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-12 00:14:52,335 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 [2024-10-12 00:14:52,345 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,345 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-12 00:14:52,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,346 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:52,350 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:52,350 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:52,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,378 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-12 00:14:52,380 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 [2024-10-12 00:14:52,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,394 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-12 00:14:52,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:52,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,394 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:52,395 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-12 00:14:52,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:52,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,418 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-12 00:14:52,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:52,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,432 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-12 00:14:52,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,432 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:52,435 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:52,436 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:52,444 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-12 00:14:52,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,460 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-12 00:14:52,462 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 [2024-10-12 00:14:52,475 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,475 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-12 00:14:52,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,475 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:52,478 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:52,479 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:52,485 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,501 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-10-12 00:14:52,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,503 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-12 00:14:52,506 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 [2024-10-12 00:14:52,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,521 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:14:52,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,521 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:14:52,525 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-12 00:14:52,525 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-12 00:14:52,545 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,557 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-12 00:14:52,559 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 [2024-10-12 00:14:52,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,569 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:14:52,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:52,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,570 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:14:52,571 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-12 00:14:52,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:52,576 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-12 00:14:52,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,589 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-12 00:14:52,590 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 [2024-10-12 00:14:52,601 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,601 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:14:52,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,601 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:14:52,605 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-12 00:14:52,605 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-12 00:14:52,615 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-12 00:14:52,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,632 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-12 00:14:52,635 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 [2024-10-12 00:14:52,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,650 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:14:52,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,650 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:14:52,656 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-12 00:14:52,657 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-12 00:14:52,667 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,682 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-10-12 00:14:52,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,684 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-12 00:14:52,687 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 [2024-10-12 00:14:52,700 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,700 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:14:52,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,700 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:52,703 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:52,703 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:52,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,729 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-12 00:14:52,731 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 [2024-10-12 00:14:52,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,744 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:14:52,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:52,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,744 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:52,745 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-12 00:14:52,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:52,748 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-12 00:14:52,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,765 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-12 00:14:52,767 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 [2024-10-12 00:14:52,777 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,777 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:14:52,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,778 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:52,781 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:52,781 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:52,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-12 00:14:52,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,801 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-12 00:14:52,802 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 [2024-10-12 00:14:52,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,813 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:14:52,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,813 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:14:52,815 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-12 00:14:52,815 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:14:52,820 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-12 00:14:52,832 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-10-12 00:14:52,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,833 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-12 00:14:52,835 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 [2024-10-12 00:14:52,845 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,846 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:14:52,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,846 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-12 00:14:52,851 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2024-10-12 00:14:52,851 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-10-12 00:14:52,865 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-12 00:14:52,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,876 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-12 00:14:52,878 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 [2024-10-12 00:14:52,888 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,888 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:14:52,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:52,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,889 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-12 00:14:52,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:52,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:52,893 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-12 00:14:52,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,906 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-12 00:14:52,908 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 [2024-10-12 00:14:52,918 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,919 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:14:52,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,919 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-12 00:14:52,922 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2024-10-12 00:14:52,922 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-10-12 00:14:52,930 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:52,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:52,947 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:52,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-12 00:14:52,949 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 [2024-10-12 00:14:52,963 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:14:52,963 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:14:52,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:52,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:52,963 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-12 00:14:52,967 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2024-10-12 00:14:52,967 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-10-12 00:14:52,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:52,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:52,988 INFO L366 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2024-10-12 00:14:52,989 INFO L745 eck$LassoCheckResult]: Stem: 294#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 296#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 290#L10-2 assume !!(main_~i~0#1 < 100); 291#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 292#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 [2024-10-12 00:14:52,989 INFO L747 eck$LassoCheckResult]: Loop: 293#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 290#L10-2 assume !!(main_~i~0#1 < 100); 291#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 292#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 [2024-10-12 00:14:52,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 3 times [2024-10-12 00:14:52,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:52,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542429708] [2024-10-12 00:14:52,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:52,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:52,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:52,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:52,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:52,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 2 times [2024-10-12 00:14:52,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:52,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953751561] [2024-10-12 00:14:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:53,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1599693208, now seen corresponding path program 4 times [2024-10-12 00:14:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241078523] [2024-10-12 00:14:53,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:14:53 BoogieIcfgContainer [2024-10-12 00:14:53,104 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:14:53,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:14:53,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:14:53,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:14:53,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:48" (3/4) ... [2024-10-12 00:14:53,107 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-12 00:14:53,141 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 00:14:53,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:14:53,142 INFO L158 Benchmark]: Toolchain (without parser) took 4642.96ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 127.9MB in the beginning and 98.7MB in the end (delta: 29.3MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2024-10-12 00:14:53,142 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 174.1MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:14:53,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.25ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 116.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-12 00:14:53,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.48ms. Allocated memory is still 174.1MB. Free memory was 116.9MB in the beginning and 115.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:14:53,143 INFO L158 Benchmark]: Boogie Preprocessor took 24.23ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 113.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:14:53,143 INFO L158 Benchmark]: RCFGBuilder took 209.11ms. Allocated memory is still 174.1MB. Free memory was 113.8MB in the beginning and 105.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-12 00:14:53,144 INFO L158 Benchmark]: BuchiAutomizer took 4129.24ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 105.4MB in the beginning and 100.8MB in the end (delta: 4.6MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-10-12 00:14:53,144 INFO L158 Benchmark]: Witness Printer took 36.80ms. Allocated memory is still 211.8MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:14:53,146 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 174.1MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.25ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 116.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.48ms. Allocated memory is still 174.1MB. Free memory was 116.9MB in the beginning and 115.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.23ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 113.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 209.11ms. Allocated memory is still 174.1MB. Free memory was 113.8MB in the beginning and 105.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4129.24ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 105.4MB in the beginning and 100.8MB in the end (delta: 4.6MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Witness Printer took 36.80ms. Allocated memory is still 211.8MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 26 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax209 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq136 hnf93 smp100 dnf100 smp100 tf114 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] [L9] COND TRUE i < 100 VAL [i=49] Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] [L9] COND TRUE i < 100 VAL [i=49] Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-12 00:14:53,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)