./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.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-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.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 f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:12:59,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:12:59,739 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:12:59,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:12:59,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:12:59,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:12:59,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:12:59,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:12:59,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:12:59,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:12:59,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:12:59,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:12:59,779 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:12:59,779 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:12:59,781 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:12:59,781 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:12:59,782 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:12:59,782 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:12:59,782 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:12:59,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:12:59,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:12:59,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:12:59,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:12:59,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:12:59,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:12:59,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:12:59,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:12:59,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:12:59,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:12:59,790 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:12:59,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:12:59,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:12:59,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:12:59,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:12:59,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:12:59,792 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:12:59,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2024-10-12 00:13:00,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:13:00,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:13:00,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:13:00,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:13:00,106 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:13:00,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-10-12 00:13:01,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:13:01,770 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:13:01,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-10-12 00:13:01,781 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/77d81e860/30faaf62888d4017b876103bda138565/FLAG07f4abb90 [2024-10-12 00:13:02,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/77d81e860/30faaf62888d4017b876103bda138565 [2024-10-12 00:13:02,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:13:02,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:13:02,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:13:02,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:13:02,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:13:02,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cb52c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02, skipping insertion in model container [2024-10-12 00:13:02,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:13:02,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:13:02,379 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:13:02,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:13:02,408 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:13:02,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02 WrapperNode [2024-10-12 00:13:02,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:13:02,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:13:02,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:13:02,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:13:02,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,434 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-10-12 00:13:02,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:13:02,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:13:02,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:13:02,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:13:02,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,450 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-12 00:13:02,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:13:02,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:13:02,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:13:02,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:13:02,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (1/1) ... [2024-10-12 00:13:02,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:02,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:02,495 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 00:13:02,498 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 00:13:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:13:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:13:02,672 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:13:02,675 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:13:02,763 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-12 00:13:02,763 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:13:02,782 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:13:02,783 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 00:13:02,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:13:02 BoogieIcfgContainer [2024-10-12 00:13:02,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:13:02,785 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:13:02,785 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:13:02,788 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:13:02,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:13:02,788 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:13:02" (1/3) ... [2024-10-12 00:13:02,789 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79254c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:13:02, skipping insertion in model container [2024-10-12 00:13:02,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:13:02,789 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:13:02" (2/3) ... [2024-10-12 00:13:02,790 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79254c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:13:02, skipping insertion in model container [2024-10-12 00:13:02,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:13:02,790 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:13:02" (3/3) ... [2024-10-12 00:13:02,791 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-10-12 00:13:02,833 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:13:02,834 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:13:02,834 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:13:02,834 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:13:02,834 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:13:02,834 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:13:02,834 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:13:02,834 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:13:02,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 00:13:02,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:13:02,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:13:02,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:13:02,855 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:13:02,855 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 00:13:02,855 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:13:02,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 00:13:02,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:13:02,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:13:02,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:13:02,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:13:02,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 00:13:02,865 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L17-2true [2024-10-12 00:13:02,865 INFO L747 eck$LassoCheckResult]: Loop: 4#L17-2true assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 2#L19-2true assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 9#L19-3true main_~i~0#1 := 1 + main_~i~0#1; 4#L17-2true [2024-10-12 00:13:02,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:02,871 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:13:02,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:02,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017032281] [2024-10-12 00:13:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:02,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:02,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:02,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:02,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:02,964 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2024-10-12 00:13:02,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:02,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94424172] [2024-10-12 00:13:02,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:02,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:02,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:02,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:02,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:02,994 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2024-10-12 00:13:02,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:02,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063948655] [2024-10-12 00:13:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:03,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:03,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:03,114 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:13:03,115 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:13:03,115 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:13:03,115 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:13:03,115 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:13:03,115 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,115 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:13:03,115 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:13:03,115 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration1_Loop [2024-10-12 00:13:03,116 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:13:03,116 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:13:03,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:03,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:03,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:03,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:03,215 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:13:03,215 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:13:03,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,219 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 00:13:03,220 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 00:13:03,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:03,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:03,244 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:03,244 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 00:13:03,256 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 00:13:03,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,258 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 00:13:03,259 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 00:13:03,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:03,261 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:03,286 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:03,286 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 00:13:03,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-12 00:13:03,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,299 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 00:13:03,301 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 00:13:03,302 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:03,302 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:03,314 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:03,314 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:13:03,324 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 00:13:03,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,326 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 00:13:03,328 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 00:13:03,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:03,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:03,351 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 00:13:03,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,353 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 00:13:03,355 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 00:13:03,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:13:03,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:03,386 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:13:03,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:03,391 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:13:03,392 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:13:03,392 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:13:03,392 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:13:03,392 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:13:03,392 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,392 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:13:03,392 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:13:03,392 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration1_Loop [2024-10-12 00:13:03,392 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:13:03,393 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:13:03,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:03,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:03,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:03,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:03,475 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:13:03,479 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:13:03,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,482 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 00:13:03,485 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 00:13:03,486 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 00:13:03,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:03,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:03,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:03,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:03,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:13:03,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:13:03,518 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:03,534 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 00:13:03,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,540 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 00:13:03,541 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 00:13:03,543 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 00:13:03,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:03,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:03,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:03,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:03,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:13:03,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:13:03,564 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:03,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:13:03,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,581 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 00:13:03,584 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 00:13:03,585 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 00:13:03,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:03,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:13:03,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:03,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:03,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:03,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:13:03,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:13:03,603 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:13:03,606 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:13:03,606 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:13:03,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:03,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:03,679 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 00:13:03,680 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 00:13:03,681 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:13:03,681 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:13:03,681 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:13:03,682 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 5 Supporting invariants [] [2024-10-12 00:13:03,693 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 00:13:03,697 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:13:03,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:03,740 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:13:03,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:03,759 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:13:03,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:03,826 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 00:13:03,859 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-12 00:13:03,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:13:03,933 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 43 transitions. Complement of second has 10 states. [2024-10-12 00:13:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-12 00:13:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:13:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2024-10-12 00:13:03,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2024-10-12 00:13:03,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:03,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-12 00:13:03,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:03,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-12 00:13:03,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:03,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 43 transitions. [2024-10-12 00:13:03,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:13:03,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 14 states and 19 transitions. [2024-10-12 00:13:03,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-12 00:13:03,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:13:03,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2024-10-12 00:13:03,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:13:03,951 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-12 00:13:03,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2024-10-12 00:13:03,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-10-12 00:13:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:13:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-10-12 00:13:03,974 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-10-12 00:13:03,974 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-10-12 00:13:03,975 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:13:03,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2024-10-12 00:13:03,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:13:03,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:13:03,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:13:03,975 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:13:03,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:13:03,976 INFO L745 eck$LassoCheckResult]: Stem: 89#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 91#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 82#L19-2 [2024-10-12 00:13:03,976 INFO L747 eck$LassoCheckResult]: Loop: 82#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 83#L19-2 assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 92#L19-3 main_~i~0#1 := 1 + main_~i~0#1; 87#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 82#L19-2 [2024-10-12 00:13:03,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:03,977 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-12 00:13:03,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:03,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224292443] [2024-10-12 00:13:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:03,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:03,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:03,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:03,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:03,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1537394, now seen corresponding path program 1 times [2024-10-12 00:13:03,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:03,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904537453] [2024-10-12 00:13:03,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:03,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:03,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:04,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:04,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:04,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1810841241, now seen corresponding path program 1 times [2024-10-12 00:13:04,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:04,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298337078] [2024-10-12 00:13:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:13:04,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:13:04,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298337078] [2024-10-12 00:13:04,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298337078] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:13:04,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422514477] [2024-10-12 00:13:04,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:04,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:13:04,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,086 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:13:04,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-12 00:13:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:04,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:13:04,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:13:04,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:13:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:13:04,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422514477] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:13:04,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:13:04,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-10-12 00:13:04,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448200566] [2024-10-12 00:13:04,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:13:04,250 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:13:04,251 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:13:04,251 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:13:04,251 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:13:04,252 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:13:04,252 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,252 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:13:04,252 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:13:04,252 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration2_Loop [2024-10-12 00:13:04,252 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:13:04,252 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:13:04,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,334 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:13:04,334 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:13:04,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,337 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 00:13:04,338 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 00:13:04,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:04,340 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:04,364 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:04,364 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 00:13:04,380 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 00:13:04,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,383 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 00:13:04,385 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 00:13:04,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:04,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:04,408 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:04,408 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 00:13:04,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:04,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,430 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 00:13:04,431 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 00:13:04,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:04,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:04,467 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 00:13:04,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,469 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 00:13:04,471 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 00:13:04,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:13:04,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:04,507 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:13:04,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:04,511 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:13:04,512 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:13:04,512 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:13:04,512 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:13:04,512 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:13:04,512 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,512 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:13:04,512 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:13:04,512 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration2_Loop [2024-10-12 00:13:04,512 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:13:04,512 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:13:04,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,627 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:13:04,627 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:13:04,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,630 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 00:13:04,632 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 00:13:04,634 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 00:13:04,635 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 00:13:04,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:04,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:04,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:04,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:04,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:13:04,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:13:04,660 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:04,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:04,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,677 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 00:13:04,679 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 00:13:04,680 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 00:13:04,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:04,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:04,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:04,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:04,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:13:04,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:13:04,697 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:04,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-12 00:13:04,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,714 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 00:13:04,716 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 00:13:04,718 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 00:13:04,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:04,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:13:04,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:04,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:04,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:04,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:13:04,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:13:04,739 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:13:04,742 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:13:04,742 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:13:04,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:04,744 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 00:13:04,747 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 00:13:04,747 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:13:04,747 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:13:04,748 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:13:04,748 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 7 Supporting invariants [] [2024-10-12 00:13:04,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:04,764 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:13:04,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:04,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:13:04,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:04,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:13:04,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-12 00:13:04,813 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:13:04,813 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 00:13:04,836 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 23 states and 32 transitions. Complement of second has 6 states. [2024-10-12 00:13:04,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-12 00:13:04,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 00:13:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-10-12 00:13:04,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-12 00:13:04,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:04,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-10-12 00:13:04,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:04,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2024-10-12 00:13:04,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:04,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 32 transitions. [2024-10-12 00:13:04,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:13:04,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 16 states and 23 transitions. [2024-10-12 00:13:04,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-12 00:13:04,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-12 00:13:04,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 23 transitions. [2024-10-12 00:13:04,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:13:04,841 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 23 transitions. [2024-10-12 00:13:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 23 transitions. [2024-10-12 00:13:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-10-12 00:13:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 states have internal predecessors, (22), 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 00:13:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2024-10-12 00:13:04,843 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2024-10-12 00:13:04,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:13:04,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 00:13:04,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-12 00:13:04,847 INFO L87 Difference]: Start difference. First operand 15 states and 22 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 00:13:04,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:13:04,879 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2024-10-12 00:13:04,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2024-10-12 00:13:04,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:13:04,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 31 transitions. [2024-10-12 00:13:04,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-12 00:13:04,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:13:04,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2024-10-12 00:13:04,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:13:04,881 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 31 transitions. [2024-10-12 00:13:04,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2024-10-12 00:13:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2024-10-12 00:13:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 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 00:13:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2024-10-12 00:13:04,887 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2024-10-12 00:13:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 00:13:04,888 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2024-10-12 00:13:04,889 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:13:04,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2024-10-12 00:13:04,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:13:04,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:13:04,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:13:04,890 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-12 00:13:04,890 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:13:04,890 INFO L745 eck$LassoCheckResult]: Stem: 249#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 245#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 246#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 242#L19-2 [2024-10-12 00:13:04,890 INFO L747 eck$LassoCheckResult]: Loop: 242#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 242#L19-2 [2024-10-12 00:13:04,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2024-10-12 00:13:04,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:04,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189259610] [2024-10-12 00:13:04,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:04,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:04,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:04,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:04,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:04,910 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2024-10-12 00:13:04,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:04,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146117654] [2024-10-12 00:13:04,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:04,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:04,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:04,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:04,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:04,923 INFO L85 PathProgramCache]: Analyzing trace with hash 28699944, now seen corresponding path program 2 times [2024-10-12 00:13:04,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:04,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032282826] [2024-10-12 00:13:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:04,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:04,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:04,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:04,981 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:13:04,981 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:13:04,981 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:13:04,981 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:13:04,981 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:13:04,981 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:04,981 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:13:04,981 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:13:04,981 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration3_Loop [2024-10-12 00:13:04,981 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:13:04,981 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:13:04,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:04,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,035 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:13:05,038 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:13:05,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,041 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 00:13:05,045 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 00:13:05,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:05,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,084 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:05,084 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=3} Honda state: {ULTIMATE.start_main_~i~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:13:05,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:05,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,100 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 00:13:05,101 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 00:13:05,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:05,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,120 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:05,120 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:13:05,130 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 00:13:05,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,132 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 00:13:05,133 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 00:13:05,135 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:05,135 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,156 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 00:13:05,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,158 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 00:13:05,159 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 00:13:05,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:13:05,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,188 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:13:05,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-12 00:13:05,193 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:13:05,193 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:13:05,193 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:13:05,194 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:13:05,194 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:13:05,194 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,194 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:13:05,194 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:13:05,194 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration3_Loop [2024-10-12 00:13:05,194 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:13:05,194 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:13:05,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,245 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:13:05,245 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:13:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,247 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 00:13:05,249 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 00:13:05,251 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 00:13:05,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:05,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:13:05,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:05,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:05,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:05,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:13:05,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:13:05,266 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:05,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:05,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,283 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 00:13:05,284 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 00:13:05,285 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 00:13:05,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:05,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:05,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:05,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:05,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:13:05,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:13:05,303 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:05,318 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 00:13:05,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,320 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 00:13:05,322 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 00:13:05,322 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 00:13:05,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:05,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:13:05,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:05,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:05,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:05,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:13:05,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:13:05,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:13:05,344 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:13:05,344 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:13:05,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,346 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 00:13:05,347 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 00:13:05,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:13:05,347 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:13:05,347 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:13:05,347 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 19 Supporting invariants [] [2024-10-12 00:13:05,358 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 00:13:05,359 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:13:05,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:05,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:13:05,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:05,384 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:13:05,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:05,385 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 00:13:05,385 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 00:13:05,386 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 10 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:13:05,393 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 10. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 47 transitions. Complement of second has 3 states. [2024-10-12 00:13:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:13:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:13:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2024-10-12 00:13:05,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2024-10-12 00:13:05,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:05,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2024-10-12 00:13:05,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:05,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:13:05,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:05,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 47 transitions. [2024-10-12 00:13:05,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:13:05,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 33 states and 44 transitions. [2024-10-12 00:13:05,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-12 00:13:05,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-12 00:13:05,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2024-10-12 00:13:05,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:13:05,401 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-12 00:13:05,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2024-10-12 00:13:05,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2024-10-12 00:13:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 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 00:13:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2024-10-12 00:13:05,403 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 34 transitions. [2024-10-12 00:13:05,403 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2024-10-12 00:13:05,403 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:13:05,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2024-10-12 00:13:05,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:13:05,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:13:05,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:13:05,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 2, 1, 1, 1, 1] [2024-10-12 00:13:05,406 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:13:05,406 INFO L745 eck$LassoCheckResult]: Stem: 336#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 337#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 332#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 329#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 330#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 331#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 353#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 348#L19-2 assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 346#L19-3 main_~i~0#1 := 1 + main_~i~0#1; 344#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 340#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 339#L19-2 [2024-10-12 00:13:05,406 INFO L747 eck$LassoCheckResult]: Loop: 339#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 339#L19-2 [2024-10-12 00:13:05,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:05,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1307788329, now seen corresponding path program 2 times [2024-10-12 00:13:05,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:05,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785056104] [2024-10-12 00:13:05,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:05,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:13:05,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:13:05,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785056104] [2024-10-12 00:13:05,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785056104] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:13:05,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498858705] [2024-10-12 00:13:05,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 00:13:05,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:13:05,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,524 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:13:05,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-12 00:13:05,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 00:13:05,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:13:05,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-12 00:13:05,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:13:05,592 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:13:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:13:05,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498858705] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:13:05,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:13:05,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-10-12 00:13:05,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796916542] [2024-10-12 00:13:05,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:13:05,712 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:13:05,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:05,713 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 2 times [2024-10-12 00:13:05,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:13:05,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003506758] [2024-10-12 00:13:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:13:05,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:13:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:05,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:13:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:13:05,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:13:05,743 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:13:05,744 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:13:05,744 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:13:05,744 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:13:05,744 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:13:05,744 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,744 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:13:05,744 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:13:05,744 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration4_Loop [2024-10-12 00:13:05,744 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:13:05,744 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:13:05,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,796 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:13:05,796 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:13:05,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,799 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 00:13:05,800 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 00:13:05,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:05,801 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,822 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:05,822 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:13:05,832 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 00:13:05,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,834 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 00:13:05,834 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 00:13:05,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:05,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,853 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:05,853 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:13:05,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-12 00:13:05,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,865 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 00:13:05,866 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 00:13:05,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:05,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,884 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:13:05,884 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=3} Honda state: {ULTIMATE.start_main_~i~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:13:05,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-12 00:13:05,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,896 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 00:13:05,897 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 00:13:05,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:13:05,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,920 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 00:13:05,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:05,921 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 00:13:05,922 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 00:13:05,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:13:05,923 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:13:05,956 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:13:05,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:05,961 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:13:05,962 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:13:05,962 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:13:05,962 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:13:05,962 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:13:05,962 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:05,962 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:13:05,962 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:13:05,962 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration4_Loop [2024-10-12 00:13:05,962 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:13:05,962 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:13:05,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:05,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:13:06,007 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:13:06,008 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:13:06,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:06,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:06,010 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 00:13:06,011 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 00:13:06,012 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 00:13:06,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:06,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:06,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:06,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:06,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:13:06,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:13:06,031 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:06,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-12 00:13:06,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:06,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:06,048 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 00:13:06,051 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 00:13:06,053 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 00:13:06,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:06,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:06,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:06,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:06,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:13:06,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:13:06,074 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:06,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-12 00:13:06,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:06,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:06,087 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 00:13:06,088 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 00:13:06,089 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 00:13:06,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:06,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:13:06,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:06,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:06,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:06,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:13:06,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:13:06,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:13:06,130 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 00:13:06,130 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 00:13:06,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:06,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:06,132 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 00:13:06,133 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 00:13:06,134 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 00:13:06,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-12 00:13:06,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:13:06,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:13:06,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:13:06,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:13:06,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:13:06,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:13:06,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:13:06,150 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:13:06,152 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:13:06,152 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:13:06,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:13:06,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:13:06,154 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 00:13:06,155 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 00:13:06,156 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:13:06,156 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:13:06,156 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:13:06,156 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 19 Supporting invariants [] [2024-10-12 00:13:06,171 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 00:13:06,172 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:13:06,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:06,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:13:06,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:06,219 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:13:06,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:06,219 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 00:13:06,220 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 00:13:06,220 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 00:13:06,227 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 44 transitions. Complement of second has 3 states. [2024-10-12 00:13:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:13:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 00:13:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2024-10-12 00:13:06,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 11 letters. Loop has 1 letters. [2024-10-12 00:13:06,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:06,229 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:13:06,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:06,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:13:06,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:06,277 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:13:06,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:13:06,278 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 00:13:06,279 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 00:13:06,285 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 44 transitions. Complement of second has 3 states. [2024-10-12 00:13:06,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:13:06,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 00:13:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2024-10-12 00:13:06,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 11 letters. Loop has 1 letters. [2024-10-12 00:13:06,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:06,287 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:13:06,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:13:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:06,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:13:06,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:13:06,326 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:13:06,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:13:06,326 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 00:13:06,327 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 00:13:06,327 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 00:13:06,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 35 transitions. Complement of second has 2 states. [2024-10-12 00:13:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:13:06,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 00:13:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2024-10-12 00:13:06,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 11 letters. Loop has 1 letters. [2024-10-12 00:13:06,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:06,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 12 letters. Loop has 1 letters. [2024-10-12 00:13:06,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:06,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-12 00:13:06,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:13:06,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 35 transitions. [2024-10-12 00:13:06,339 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:13:06,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-10-12 00:13:06,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:13:06,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:13:06,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:13:06,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:13:06,340 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:13:06,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:13:06,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:13:06,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 00:13:06,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-10-12 00:13:06,343 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 00:13:06,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:13:06,343 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-10-12 00:13:06,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-10-12 00:13:06,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:13:06,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-10-12 00:13:06,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:13:06,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:13:06,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:13:06,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:13:06,344 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:13:06,344 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:13:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 00:13:06,344 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:13:06,344 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-12 00:13:06,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:13:06,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:13:06,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:13:06,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:13:06 BoogieIcfgContainer [2024-10-12 00:13:06,355 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:13:06,356 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:13:06,356 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:13:06,356 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:13:06,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:13:02" (3/4) ... [2024-10-12 00:13:06,358 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:13:06,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:13:06,359 INFO L158 Benchmark]: Toolchain (without parser) took 4189.68ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 108.2MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:13:06,359 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 81.5MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:13:06,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.82ms. Allocated memory is still 157.3MB. Free memory was 88.5MB in the beginning and 77.7MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:13:06,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.86ms. Allocated memory is still 157.3MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:13:06,360 INFO L158 Benchmark]: Boogie Preprocessor took 24.59ms. Allocated memory is still 157.3MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:13:06,360 INFO L158 Benchmark]: RCFGBuilder took 323.10ms. Allocated memory is still 157.3MB. Free memory was 74.9MB in the beginning and 126.2MB in the end (delta: -51.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-12 00:13:06,360 INFO L158 Benchmark]: BuchiAutomizer took 3570.55ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 108.2MB in the end (delta: 17.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-10-12 00:13:06,361 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 157.3MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:13:06,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 81.5MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.82ms. Allocated memory is still 157.3MB. Free memory was 88.5MB in the beginning and 77.7MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.86ms. Allocated memory is still 157.3MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.59ms. Allocated memory is still 157.3MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.10ms. Allocated memory is still 157.3MB. Free memory was 74.9MB in the beginning and 126.2MB in the end (delta: -51.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3570.55ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 108.2MB in the end (delta: 17.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 157.3MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) -2 * i) + 5) and consists of 6 locations. One deterministic module has affine ranking function (((long) -2 * i) + 7) and consists of 4 locations. One deterministic module has affine ranking function (((long) -2 * j) + 19) and consists of 2 locations. One nondeterministic module has affine ranking function (((long) -2 * j) + 19) and consists of 2 locations. 2 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 5 iterations. TraceHistogramMax:5. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 33 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax191 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp94 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:13:06,382 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 00:13:06,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-12 00:13:06,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-12 00:13:06,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE