./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b152d0a77c0a827c56e67a020428723a5ece98968c26b23e643be1f19b0bbb84 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:04:36,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:04:37,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-17 08:04:37,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:04:37,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:04:37,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:04:37,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:04:37,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:04:37,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:04:37,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:04:37,046 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:04:37,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:04:37,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:04:37,049 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:04:37,049 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:04:37,050 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:04:37,050 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:04:37,050 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:04:37,050 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:04:37,051 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:04:37,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:04:37,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:04:37,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:04:37,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:04:37,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:04:37,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:04:37,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:04:37,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:04:37,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:04:37,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:04:37,054 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:04:37,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:04:37,055 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:04:37,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:04:37,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:04:37,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:04:37,056 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:04:37,056 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b152d0a77c0a827c56e67a020428723a5ece98968c26b23e643be1f19b0bbb84 [2024-11-17 08:04:37,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:04:37,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:04:37,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:04:37,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:04:37,329 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:04:37,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c [2024-11-17 08:04:38,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:04:39,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:04:39,004 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c [2024-11-17 08:04:39,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164971a60/a6ff389195c644a29179023ea5820580/FLAG85825abe4 [2024-11-17 08:04:39,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164971a60/a6ff389195c644a29179023ea5820580 [2024-11-17 08:04:39,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:04:39,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:04:39,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:04:39,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:04:39,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:04:39,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c615752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39, skipping insertion in model container [2024-11-17 08:04:39,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:04:39,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:04:39,611 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:04:39,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:04:39,632 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:04:39,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39 WrapperNode [2024-11-17 08:04:39,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:04:39,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:04:39,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:04:39,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:04:39,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,659 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-17 08:04:39,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:04:39,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:04:39,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:04:39,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:04:39,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,673 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 08:04:39,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,674 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:04:39,677 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:04:39,677 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:04:39,677 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:04:39,678 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (1/1) ... [2024-11-17 08:04:39,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:39,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:39,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:39,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:04:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:04:39,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:04:39,811 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:04:39,813 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:04:39,859 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-17 08:04:39,859 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:04:39,868 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:04:39,869 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:04:39,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:39 BoogieIcfgContainer [2024-11-17 08:04:39,869 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:04:39,870 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:04:39,870 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:04:39,874 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:04:39,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:39,874 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:04:39" (1/3) ... [2024-11-17 08:04:39,875 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1670ffdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:04:39, skipping insertion in model container [2024-11-17 08:04:39,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:39,875 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:39" (2/3) ... [2024-11-17 08:04:39,875 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1670ffdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:04:39, skipping insertion in model container [2024-11-17 08:04:39,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:39,876 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:39" (3/3) ... [2024-11-17 08:04:39,877 INFO L332 chiAutomizerObserver]: Analyzing ICFG c.01-no-inv.c [2024-11-17 08:04:39,924 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:04:39,924 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:04:39,924 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:04:39,928 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:04:39,929 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:04:39,929 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:04:39,929 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:04:39,929 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:04:39,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:39,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:04:39,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:39,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:39,957 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:04:39,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:04:39,959 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:04:39,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:39,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:04:39,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:39,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:39,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:04:39,961 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:04:39,969 INFO L745 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 7#L10true [2024-11-17 08:04:39,970 INFO L747 eck$LassoCheckResult]: Loop: 7#L10true assume true; 9#L10-1true assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 11#L12true assume !true; 8#L15true main_~x~0#1 := main_~x~0#1 - 1; 7#L10true [2024-11-17 08:04:39,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:39,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 1 times [2024-11-17 08:04:39,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:39,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472249742] [2024-11-17 08:04:39,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:39,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:40,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:40,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:40,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:40,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1353370, now seen corresponding path program 1 times [2024-11-17 08:04:40,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:40,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781605646] [2024-11-17 08:04:40,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:40,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:40,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:04:40,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781605646] [2024-11-17 08:04:40,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781605646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:04:40,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:04:40,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:04:40,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659510021] [2024-11-17 08:04:40,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:04:40,167 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:04:40,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:04:40,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 08:04:40,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 08:04:40,201 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:40,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:04:40,207 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2024-11-17 08:04:40,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2024-11-17 08:04:40,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:04:40,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2024-11-17 08:04:40,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-17 08:04:40,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-17 08:04:40,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2024-11-17 08:04:40,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:04:40,214 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:04:40,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2024-11-17 08:04:40,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-17 08:04:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:40,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-11-17 08:04:40,239 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:04:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 08:04:40,245 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:04:40,245 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:04:40,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-11-17 08:04:40,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:04:40,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:40,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:40,246 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:04:40,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-17 08:04:40,247 INFO L745 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 34#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 35#L10 [2024-11-17 08:04:40,247 INFO L747 eck$LassoCheckResult]: Loop: 35#L10 assume true; 36#L10-1 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 32#L12 assume true; 30#L12-1 assume !(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 < 1073741824); 31#L15 main_~x~0#1 := main_~x~0#1 - 1; 35#L10 [2024-11-17 08:04:40,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:40,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 2 times [2024-11-17 08:04:40,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:40,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904290693] [2024-11-17 08:04:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:40,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:40,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:40,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:40,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:40,260 INFO L85 PathProgramCache]: Analyzing trace with hash 41953574, now seen corresponding path program 1 times [2024-11-17 08:04:40,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:40,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361849714] [2024-11-17 08:04:40,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:40,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:40,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:40,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:40,279 INFO L85 PathProgramCache]: Analyzing trace with hash 121894567, now seen corresponding path program 1 times [2024-11-17 08:04:40,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:40,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077749200] [2024-11-17 08:04:40,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:40,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:40,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:40,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:40,369 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:40,370 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:40,370 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:40,370 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:40,371 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:04:40,371 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,371 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:40,371 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:40,372 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration2_Loop [2024-11-17 08:04:40,372 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:40,372 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:40,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:40,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:40,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:40,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:40,477 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:40,477 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:04:40,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:40,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:40,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-17 08:04:40,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:40,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:40,517 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:40,519 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:40,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-17 08:04:40,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:40,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:40,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-17 08:04:40,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:40,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:40,572 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:40,572 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:40,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-17 08:04:40,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:40,589 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:40,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-17 08:04:40,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:40,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:40,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-17 08:04:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:40,625 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:40,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-17 08:04:40,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:04:40,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:40,649 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:04:40,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-17 08:04:40,665 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:40,665 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:40,666 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:40,666 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:40,666 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:04:40,666 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,666 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:40,666 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:40,666 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration2_Loop [2024-11-17 08:04:40,666 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:40,667 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:40,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:40,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:40,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:40,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:40,744 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:40,749 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:04:40,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:40,752 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:40,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-17 08:04:40,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:04:40,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:40,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:40,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:40,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:40,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:40,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:40,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:40,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-17 08:04:40,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:40,803 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:40,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-17 08:04:40,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:04:40,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:40,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:40,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:40,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:40,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:40,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:40,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:40,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:40,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:40,849 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:40,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-17 08:04:40,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:04:40,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:40,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:04:40,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:40,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:40,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:40,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:04:40,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:04:40,869 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:04:40,872 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:04:40,872 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:04:40,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:40,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:40,876 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:40,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-17 08:04:40,878 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:04:40,878 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:04:40,879 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:04:40,879 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-17 08:04:40,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:40,897 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:04:40,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:40,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:04:40,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:40,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:04:40,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:40,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-17 08:04:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:41,036 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-17 08:04:41,038 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 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) [2024-11-17 08:04:41,085 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. 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 12 states and 15 transitions. Complement of second has 6 states. [2024-11-17 08:04:41,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-17 08:04:41,088 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) [2024-11-17 08:04:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-17 08:04:41,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-17 08:04:41,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:41,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-17 08:04:41,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:41,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-17 08:04:41,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:41,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2024-11-17 08:04:41,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:41,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2024-11-17 08:04:41,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-17 08:04:41,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-17 08:04:41,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-17 08:04:41,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:04:41,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:04:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-17 08:04:41,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-17 08:04:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-11-17 08:04:41,097 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:04:41,097 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:04:41,097 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:04:41,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-11-17 08:04:41,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:41,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:41,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:41,098 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:04:41,098 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:04:41,099 INFO L745 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 98#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 99#L10 assume true; 101#L10-1 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 93#L12 [2024-11-17 08:04:41,099 INFO L747 eck$LassoCheckResult]: Loop: 93#L12 assume true; 92#L12-1 assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 < 1073741824);main_~y~0#1 := 2 * main_~y~0#1; 93#L12 [2024-11-17 08:04:41,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1445791, now seen corresponding path program 1 times [2024-11-17 08:04:41,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040612444] [2024-11-17 08:04:41,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 1 times [2024-11-17 08:04:41,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988084093] [2024-11-17 08:04:41,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1389405406, now seen corresponding path program 1 times [2024-11-17 08:04:41,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626671298] [2024-11-17 08:04:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,177 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:41,177 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:41,177 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:41,177 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:41,177 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:04:41,178 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,178 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:41,178 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:41,178 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration3_Lasso [2024-11-17 08:04:41,178 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:41,178 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:41,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,270 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:41,270 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:04:41,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,273 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-17 08:04:41,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:41,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:41,300 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:41,300 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:41,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-17 08:04:41,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,316 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-17 08:04:41,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:41,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:41,334 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:41,334 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:41,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:41,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,347 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-17 08:04:41,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:41,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:41,363 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:41,363 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:41,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-17 08:04:41,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,378 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-17 08:04:41,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:41,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:41,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-17 08:04:41,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,420 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-17 08:04:41,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:04:41,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:41,461 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:04:41,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:41,466 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:41,466 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:41,466 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:41,466 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:41,467 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:04:41,467 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,467 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:41,467 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:41,467 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration3_Lasso [2024-11-17 08:04:41,467 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:41,467 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:41,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,559 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:41,559 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:04:41,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,563 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-17 08:04:41,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:04:41,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:41,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:41,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:41,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:41,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:41,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:41,584 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:41,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:41,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,601 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-17 08:04:41,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:04:41,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:41,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:04:41,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:41,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:41,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:41,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:04:41,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:04:41,620 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:41,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:41,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,634 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-17 08:04:41,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:04:41,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:41,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:04:41,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:41,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:41,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:41,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:04:41,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:04:41,648 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:41,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-17 08:04:41,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,660 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-17 08:04:41,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:04:41,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:41,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:41,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:41,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:41,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:41,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:41,686 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:04:41,691 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:04:41,691 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:04:41,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,694 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-17 08:04:41,696 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:04:41,712 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-17 08:04:41,712 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:04:41,712 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2147483647 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2024-11-17 08:04:41,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-17 08:04:41,734 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-17 08:04:41,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:41,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 08:04:41,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:41,790 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:04:41,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:41,807 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:04:41,807 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:41,834 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 25 transitions. Complement of second has 5 states. [2024-11-17 08:04:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:04:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-17 08:04:41,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-17 08:04:41,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:41,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-17 08:04:41,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:41,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-17 08:04:41,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:41,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2024-11-17 08:04:41,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:41,838 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 18 transitions. [2024-11-17 08:04:41,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-17 08:04:41,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-17 08:04:41,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2024-11-17 08:04:41,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:04:41,839 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-17 08:04:41,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2024-11-17 08:04:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-17 08:04:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 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) [2024-11-17 08:04:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-11-17 08:04:41,843 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-17 08:04:41,843 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-17 08:04:41,843 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:04:41,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2024-11-17 08:04:41,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:41,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:41,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:41,845 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-17 08:04:41,845 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:04:41,845 INFO L745 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 174#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 175#L10 assume true; 176#L10-1 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 172#L12 assume true; 183#L12-1 assume !(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 < 1073741824); 180#L15 main_~x~0#1 := main_~x~0#1 - 1; 177#L10 assume true; 179#L10-1 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 170#L12 [2024-11-17 08:04:41,845 INFO L747 eck$LassoCheckResult]: Loop: 170#L12 assume true; 169#L12-1 assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 < 1073741824);main_~y~0#1 := 2 * main_~y~0#1; 170#L12 [2024-11-17 08:04:41,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1176562342, now seen corresponding path program 2 times [2024-11-17 08:04:41,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935873369] [2024-11-17 08:04:41,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 2 times [2024-11-17 08:04:41,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588371505] [2024-11-17 08:04:41,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1100012069, now seen corresponding path program 1 times [2024-11-17 08:04:41,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483351369] [2024-11-17 08:04:41,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:41,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:04:41,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483351369] [2024-11-17 08:04:41,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483351369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 08:04:41,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679598420] [2024-11-17 08:04:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 08:04:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,992 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 08:04:41,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 08:04:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:42,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:04:42,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:42,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 08:04:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:42,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679598420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 08:04:42,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 08:04:42,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-17 08:04:42,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387574621] [2024-11-17 08:04:42,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 08:04:42,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:04:42,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 08:04:42,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-17 08:04:42,135 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 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) [2024-11-17 08:04:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:04:42,201 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2024-11-17 08:04:42,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 53 transitions. [2024-11-17 08:04:42,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:42,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 27 states and 30 transitions. [2024-11-17 08:04:42,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-17 08:04:42,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-17 08:04:42,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2024-11-17 08:04:42,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:04:42,205 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-11-17 08:04:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2024-11-17 08:04:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2024-11-17 08:04:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-17 08:04:42,207 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-17 08:04:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 08:04:42,208 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-17 08:04:42,208 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-17 08:04:42,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2024-11-17 08:04:42,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:42,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:42,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:42,210 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1, 1] [2024-11-17 08:04:42,210 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:04:42,210 INFO L745 eck$LassoCheckResult]: Stem: 313#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 314#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 315#L10 assume true; 316#L10-1 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 321#L12 assume true; 311#L12-1 assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 < 1073741824);main_~y~0#1 := 2 * main_~y~0#1; 312#L12 assume true; 327#L12-1 assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 < 1073741824);main_~y~0#1 := 2 * main_~y~0#1; 326#L12 assume true; 322#L12-1 assume !(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 < 1073741824); 320#L15 main_~x~0#1 := main_~x~0#1 - 1; 317#L10 assume true; 319#L10-1 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 310#L12 [2024-11-17 08:04:42,210 INFO L747 eck$LassoCheckResult]: Loop: 310#L12 assume true; 309#L12-1 assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 < 1073741824);main_~y~0#1 := 2 * main_~y~0#1; 310#L12 [2024-11-17 08:04:42,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash -322266456, now seen corresponding path program 2 times [2024-11-17 08:04:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:42,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916655232] [2024-11-17 08:04:42,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:42,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:42,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:42,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 3 times [2024-11-17 08:04:42,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:42,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452554157] [2024-11-17 08:04:42,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:42,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:42,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:42,245 INFO L85 PathProgramCache]: Analyzing trace with hash -460418649, now seen corresponding path program 3 times [2024-11-17 08:04:42,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:42,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987996564] [2024-11-17 08:04:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:42,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:42,350 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:42,350 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:42,350 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:42,350 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:42,350 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:04:42,351 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,351 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:42,351 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:42,351 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration5_Lasso [2024-11-17 08:04:42,351 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:42,351 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:42,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,430 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:42,430 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:04:42,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,433 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-17 08:04:42,436 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,451 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,451 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:42,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:42,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,466 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-17 08:04:42,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,478 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,479 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:42,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-17 08:04:42,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,491 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-17 08:04:42,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,515 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,515 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:42,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-17 08:04:42,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,531 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-17 08:04:42,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,550 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,550 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:42,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:42,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,568 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-17 08:04:42,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-17 08:04:42,613 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,614 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: [] [2024-11-17 08:04:42,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-17 08:04:42,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,639 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-17 08:04:42,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:42,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,671 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-17 08:04:42,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:04:42,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,707 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:04:42,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-17 08:04:42,712 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:42,712 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:42,712 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:42,712 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:42,712 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:04:42,712 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,712 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:42,712 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:42,712 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration5_Lasso [2024-11-17 08:04:42,713 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:42,713 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:42,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,798 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:42,798 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:04:42,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,800 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-17 08:04:42,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:04:42,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:42,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:42,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:42,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:42,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:42,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:42,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:04:42,846 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-17 08:04:42,846 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-17 08:04:42,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,848 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:42,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-17 08:04:42,851 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:04:42,864 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-17 08:04:42,864 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:04:42,865 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2147483647 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2024-11-17 08:04:42,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:42,882 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-17 08:04:42,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:42,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 08:04:42,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:42,938 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:04:42,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:42,950 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:04:42,950 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:42,971 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 29 transitions. Complement of second has 5 states. [2024-11-17 08:04:42,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:04:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:42,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-17 08:04:42,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 13 letters. Loop has 2 letters. [2024-11-17 08:04:42,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:42,972 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:04:42,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,030 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:43,041 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 [2024-11-17 08:04:43,041 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:43,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 29 transitions. Complement of second has 5 states. [2024-11-17 08:04:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:04:43,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-17 08:04:43,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 13 letters. Loop has 2 letters. [2024-11-17 08:04:43,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,063 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:04:43,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,119 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:43,130 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 [2024-11-17 08:04:43,130 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:43,153 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 4 states. [2024-11-17 08:04:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:04:43,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-17 08:04:43,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 13 letters. Loop has 2 letters. [2024-11-17 08:04:43,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 15 letters. Loop has 2 letters. [2024-11-17 08:04:43,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-17 08:04:43,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2024-11-17 08:04:43,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:04:43,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2024-11-17 08:04:43,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:04:43,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:04:43,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:04:43,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:04:43,159 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:04:43,159 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:04:43,159 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:04:43,159 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-17 08:04:43,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:04:43,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:04:43,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:04:43,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:04:43 BoogieIcfgContainer [2024-11-17 08:04:43,166 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:04:43,166 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:04:43,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:04:43,166 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:04:43,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:39" (3/4) ... [2024-11-17 08:04:43,169 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:04:43,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:04:43,171 INFO L158 Benchmark]: Toolchain (without parser) took 3791.20ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 100.5MB in the beginning and 144.1MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:04:43,171 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 133.9MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:04:43,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.44ms. Allocated memory is still 169.9MB. Free memory was 100.1MB in the beginning and 131.6MB in the end (delta: -31.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.01ms. Allocated memory is still 169.9MB. Free memory was 131.6MB in the beginning and 130.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,173 INFO L158 Benchmark]: Boogie Preprocessor took 16.86ms. Allocated memory is still 169.9MB. Free memory was 130.2MB in the beginning and 129.5MB in the end (delta: 684.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:04:43,173 INFO L158 Benchmark]: IcfgBuilder took 192.07ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 119.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,173 INFO L158 Benchmark]: BuchiAutomizer took 3295.87ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 119.7MB in the beginning and 144.1MB in the end (delta: -24.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,174 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 211.8MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:04:43,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 133.9MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.44ms. Allocated memory is still 169.9MB. Free memory was 100.1MB in the beginning and 131.6MB in the end (delta: -31.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.01ms. Allocated memory is still 169.9MB. Free memory was 131.6MB in the beginning and 130.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.86ms. Allocated memory is still 169.9MB. Free memory was 130.2MB in the beginning and 129.5MB in the end (delta: 684.9kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 192.07ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 119.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3295.87ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 119.7MB in the beginning and 144.1MB in the end (delta: -24.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 211.8MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 4 locations. One deterministic module has affine ranking function (2147483647 + ((long) -2 * y)) and consists of 3 locations. One nondeterministic module has affine ranking function (2147483647 + ((long) -2 * y)) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 47 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq145 hnf94 smp100 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:04:43,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:43,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:43,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE