./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaC9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaC9.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 412fb3b66f422c2f340abd39599b6085b130f6c6cf8ebb6dae738faf0b014126 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:11:37,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:11:37,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-20 22:11:37,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:11:37,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:11:37,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:11:37,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:11:37,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:11:37,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:11:37,794 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:11:37,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:11:37,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:11:37,794 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:11:37,795 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:11:37,795 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:11:37,795 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:11:37,795 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:11:37,795 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:11:37,796 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:11:37,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:11:37,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:11:37,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:11:37,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:11:37,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:11:37,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:11:37,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:11:37,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:11:37,799 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:11:37,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:11:37,799 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:11:37,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:11:37,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:11:37,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:11:37,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:11:37,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:11:37,800 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:11:37,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 412fb3b66f422c2f340abd39599b6085b130f6c6cf8ebb6dae738faf0b014126 [2024-11-20 22:11:37,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:11:38,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:11:38,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:11:38,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:11:38,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:11:38,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2024-11-20 22:11:39,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:11:39,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:11:39,290 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2024-11-20 22:11:39,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b57797e/68ed7a5c3793452aab18e59ceb9afee6/FLAGb0c4b935b [2024-11-20 22:11:39,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b57797e/68ed7a5c3793452aab18e59ceb9afee6 [2024-11-20 22:11:39,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:11:39,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:11:39,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:11:39,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:11:39,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:11:39,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3eb4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39, skipping insertion in model container [2024-11-20 22:11:39,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:11:39,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:11:39,865 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:11:39,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:11:39,884 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:11:39,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39 WrapperNode [2024-11-20 22:11:39,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:11:39,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:11:39,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:11:39,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:11:39,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,904 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-20 22:11:39,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:11:39,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:11:39,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:11:39,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:11:39,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,918 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 22:11:39,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:11:39,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:11:39,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:11:39,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:11:39,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (1/1) ... [2024-11-20 22:11:39,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:39,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:39,952 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) [2024-11-20 22:11:39,954 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 [2024-11-20 22:11:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:11:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:11:40,042 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:11:40,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:11:40,082 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-20 22:11:40,082 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:11:40,090 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:11:40,091 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 22:11:40,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:40 BoogieIcfgContainer [2024-11-20 22:11:40,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:11:40,092 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:11:40,092 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:11:40,095 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:11:40,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:11:40,095 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:11:39" (1/3) ... [2024-11-20 22:11:40,096 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36d8508d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:11:40, skipping insertion in model container [2024-11-20 22:11:40,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:11:40,096 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:39" (2/3) ... [2024-11-20 22:11:40,096 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36d8508d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:11:40, skipping insertion in model container [2024-11-20 22:11:40,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:11:40,096 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:40" (3/3) ... [2024-11-20 22:11:40,097 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaC9.c [2024-11-20 22:11:40,136 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:11:40,136 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:11:40,136 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:11:40,136 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:11:40,136 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:11:40,136 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:11:40,136 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:11:40,137 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:11:40,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:40,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-20 22:11:40,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:40,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:40,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:11:40,159 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-20 22:11:40,159 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:11:40,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:40,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-20 22:11:40,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:40,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:40,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:11:40,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-20 22:11:40,165 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L14-2true [2024-11-20 22:11:40,166 INFO L747 eck$LassoCheckResult]: Loop: 8#L14-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1;main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L14true assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 8#L14-2true [2024-11-20 22:11:40,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:40,170 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-20 22:11:40,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:40,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149993487] [2024-11-20 22:11:40,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:40,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:40,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:40,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:40,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:40,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-20 22:11:40,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:40,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380886019] [2024-11-20 22:11:40,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:40,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:40,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:40,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:40,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:40,292 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-20 22:11:40,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:40,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749022233] [2024-11-20 22:11:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:40,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:40,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:40,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:40,378 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:40,379 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:40,379 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:40,379 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:40,379 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:11:40,379 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,379 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:40,379 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:40,379 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2024-11-20 22:11:40,380 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:40,380 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:40,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,468 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:40,469 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:11:40,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,473 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) [2024-11-20 22:11:40,474 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 [2024-11-20 22:11:40,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:40,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:40,499 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:40,500 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: [] [2024-11-20 22:11:40,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:40,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,509 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) [2024-11-20 22:11:40,510 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 [2024-11-20 22:11:40,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:40,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:40,530 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:40,530 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: [] [2024-11-20 22:11:40,536 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 [2024-11-20 22:11:40,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,538 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) [2024-11-20 22:11:40,539 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 [2024-11-20 22:11:40,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:40,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:40,553 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:40,553 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:40,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:40,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,562 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) [2024-11-20 22:11:40,565 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 [2024-11-20 22:11:40,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:40,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:40,584 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:40,584 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:40,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:40,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,592 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) [2024-11-20 22:11:40,593 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 [2024-11-20 22:11:40,594 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:40,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:40,606 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:40,607 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0#1=0} Honda state: {ULTIMATE.start_main_~random~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:40,613 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 [2024-11-20 22:11:40,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,616 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) [2024-11-20 22:11:40,617 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 [2024-11-20 22:11:40,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:40,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:40,637 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 [2024-11-20 22:11:40,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,639 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) [2024-11-20 22:11:40,640 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 [2024-11-20 22:11:40,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:11:40,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:40,664 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:11:40,668 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 [2024-11-20 22:11:40,668 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:40,669 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:40,669 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:40,669 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:40,669 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:11:40,669 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,669 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:40,669 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:40,669 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2024-11-20 22:11:40,669 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:40,669 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:40,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:40,729 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:40,733 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:11:40,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,736 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) [2024-11-20 22:11:40,737 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 [2024-11-20 22:11:40,739 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 [2024-11-20 22:11:40,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:40,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:40,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:40,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:40,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:11:40,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-20 22:11:40,760 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:40,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:40,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,767 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) [2024-11-20 22:11:40,768 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 [2024-11-20 22:11:40,771 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 [2024-11-20 22:11:40,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:40,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:40,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:40,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:40,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:11:40,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-20 22:11:40,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:40,799 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 [2024-11-20 22:11:40,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,802 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) [2024-11-20 22:11:40,803 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 [2024-11-20 22:11:40,805 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 [2024-11-20 22:11:40,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:40,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:40,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:40,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:40,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:40,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:40,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:40,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:40,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-20 22:11:40,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,827 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) [2024-11-20 22:11:40,828 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 [2024-11-20 22:11:40,829 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 [2024-11-20 22:11:40,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:40,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:40,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:40,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:40,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:40,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:40,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:40,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:40,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:40,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,852 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) [2024-11-20 22:11:40,854 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 [2024-11-20 22:11:40,855 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 [2024-11-20 22:11:40,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:40,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:40,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:40,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:40,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:40,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:40,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:40,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:40,873 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 [2024-11-20 22:11:40,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,874 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) [2024-11-20 22:11:40,875 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 [2024-11-20 22:11:40,876 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 [2024-11-20 22:11:40,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:40,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:40,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:40,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:40,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:40,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:40,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:40,891 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:11:40,896 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:11:40,896 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-20 22:11:40,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:40,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:40,917 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) [2024-11-20 22:11:40,918 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 [2024-11-20 22:11:40,919 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:11:40,919 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:11:40,919 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:11:40,919 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-20 22:11:40,925 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 [2024-11-20 22:11:40,927 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:11:40,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:40,951 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:11:40,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:40,971 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:11:40,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:41,012 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 [2024-11-20 22:11:41,014 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:41,054 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 24 transitions. Complement of second has 6 states. [2024-11-20 22:11:41,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-20 22:11:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-20 22:11:41,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-20 22:11:41,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:41,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-20 22:11:41,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:41,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-20 22:11:41,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:41,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2024-11-20 22:11:41,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-20 22:11:41,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 8 states and 11 transitions. [2024-11-20 22:11:41,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-20 22:11:41,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-20 22:11:41,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-11-20 22:11:41,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:11:41,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-20 22:11:41,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-20 22:11:41,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-11-20 22:11:41,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-20 22:11:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-20 22:11:41,120 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-20 22:11:41,120 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-20 22:11:41,121 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:11:41,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-20 22:11:41,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-20 22:11:41,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:41,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:41,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-20 22:11:41,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-20 22:11:41,121 INFO L745 eck$LassoCheckResult]: Stem: 61#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 62#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~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; 63#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1;main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 64#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;havoc main_#t~nondet3#1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 65#L14-2 [2024-11-20 22:11:41,121 INFO L747 eck$LassoCheckResult]: Loop: 65#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1;main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 68#L14 assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 65#L14-2 [2024-11-20 22:11:41,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,122 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-11-20 22:11:41,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:41,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362415596] [2024-11-20 22:11:41,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:41,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:41,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2024-11-20 22:11:41,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:41,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757030596] [2024-11-20 22:11:41,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:41,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:41,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,146 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2024-11-20 22:11:41,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:41,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314294195] [2024-11-20 22:11:41,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:41,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:41,179 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:41,180 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:41,180 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:41,180 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:41,180 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:11:41,180 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,180 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:41,180 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:41,180 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2024-11-20 22:11:41,180 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:41,180 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:41,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,225 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:41,225 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:11:41,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,227 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) [2024-11-20 22:11:41,228 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 [2024-11-20 22:11:41,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:41,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,247 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:41,247 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: [] [2024-11-20 22:11:41,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-20 22:11:41,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,254 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) [2024-11-20 22:11:41,255 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 [2024-11-20 22:11:41,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:41,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,275 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:41,275 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:41,283 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 [2024-11-20 22:11:41,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,287 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) [2024-11-20 22:11:41,289 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 [2024-11-20 22:11:41,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:41,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,308 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:41,309 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:41,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:41,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,317 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) [2024-11-20 22:11:41,318 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 [2024-11-20 22:11:41,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:41,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,333 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:41,333 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0#1=0} Honda state: {ULTIMATE.start_main_~random~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:41,340 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 [2024-11-20 22:11:41,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,342 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:41,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-20 22:11:41,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:41,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,356 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:41,356 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:41,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-20 22:11:41,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,365 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) [2024-11-20 22:11:41,367 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 [2024-11-20 22:11:41,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:41,367 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-20 22:11:41,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,386 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) [2024-11-20 22:11:41,387 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 [2024-11-20 22:11:41,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:11:41,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,416 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:11:41,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:41,420 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:41,420 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:41,420 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:41,420 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:41,420 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:11:41,420 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,421 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:41,421 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:41,421 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2024-11-20 22:11:41,421 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:41,421 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:41,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,468 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:41,468 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:11:41,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,471 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) [2024-11-20 22:11:41,472 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 [2024-11-20 22:11:41,474 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 [2024-11-20 22:11:41,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:41,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:41,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:41,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:41,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:11:41,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-20 22:11:41,488 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:41,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:41,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,495 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) [2024-11-20 22:11:41,497 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 [2024-11-20 22:11:41,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:11:41,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:41,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:41,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:41,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:41,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:41,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:41,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:41,508 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:41,514 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 [2024-11-20 22:11:41,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,516 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) [2024-11-20 22:11:41,516 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 [2024-11-20 22:11:41,517 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 [2024-11-20 22:11:41,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:41,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:41,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:41,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:41,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:41,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:41,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:41,529 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:41,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:41,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,536 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) [2024-11-20 22:11:41,537 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 [2024-11-20 22:11:41,538 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 [2024-11-20 22:11:41,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:41,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:41,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:41,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:41,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:11:41,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-20 22:11:41,552 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:41,560 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 [2024-11-20 22:11:41,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,562 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) [2024-11-20 22:11:41,563 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 [2024-11-20 22:11:41,564 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 [2024-11-20 22:11:41,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:41,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:41,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:41,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:41,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:41,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:41,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:41,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:41,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:41,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,584 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) [2024-11-20 22:11:41,585 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 [2024-11-20 22:11:41,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:11:41,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:41,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:41,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:41,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:41,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:41,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:41,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:41,598 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:11:41,599 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-20 22:11:41,599 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:11:41,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,601 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) [2024-11-20 22:11:41,602 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 [2024-11-20 22:11:41,603 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:11:41,603 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:11:41,603 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:11:41,603 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-20 22:11:41,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-20 22:11:41,609 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:11:41,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:41,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:11:41,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:41,638 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:11:41,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:41,648 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 [2024-11-20 22:11:41,649 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 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) [2024-11-20 22:11:41,659 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 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 12 states and 17 transitions. Complement of second has 5 states. [2024-11-20 22:11:41,660 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 [2024-11-20 22:11:41,660 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) [2024-11-20 22:11:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-20 22:11:41,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-20 22:11:41,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:41,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-20 22:11:41,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:41,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-20 22:11:41,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:41,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2024-11-20 22:11:41,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-20 22:11:41,663 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2024-11-20 22:11:41,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-20 22:11:41,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-20 22:11:41,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2024-11-20 22:11:41,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:11:41,663 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-20 22:11:41,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2024-11-20 22:11:41,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-20 22:11:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2024-11-20 22:11:41,665 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-20 22:11:41,665 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-20 22:11:41,665 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-20 22:11:41,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2024-11-20 22:11:41,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-20 22:11:41,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:41,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:41,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2024-11-20 22:11:41,666 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-20 22:11:41,666 INFO L745 eck$LassoCheckResult]: Stem: 119#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 121#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1;main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 122#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;havoc main_#t~nondet3#1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 123#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1;main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 128#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;havoc main_#t~nondet3#1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 126#L14-2 [2024-11-20 22:11:41,666 INFO L747 eck$LassoCheckResult]: Loop: 126#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1;main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 127#L14 assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 126#L14-2 [2024-11-20 22:11:41,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,666 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2024-11-20 22:11:41,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:41,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042779595] [2024-11-20 22:11:41,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:41,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:41,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2024-11-20 22:11:41,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:41,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143837544] [2024-11-20 22:11:41,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:41,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:41,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 295744366, now seen corresponding path program 2 times [2024-11-20 22:11:41,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:41,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603526492] [2024-11-20 22:11:41,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:41,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:41,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:41,729 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:41,729 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:41,729 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:41,729 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:41,729 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:11:41,729 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,729 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:41,729 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:41,729 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2024-11-20 22:11:41,729 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:41,729 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:41,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,783 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:41,783 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:11:41,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,785 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:41,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-20 22:11:41,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:41,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:41,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,805 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:41,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-20 22:11:41,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:11:41,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:41,827 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:11:41,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:41,831 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:41,831 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:41,831 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:41,831 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:41,831 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:11:41,831 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,831 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:41,831 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:41,831 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2024-11-20 22:11:41,831 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:41,831 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:41,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:41,882 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:41,882 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:11:41,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,884 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:41,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-20 22:11:41,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:11:41,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:41,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:41,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:41,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:41,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:41,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:41,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:41,898 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:11:41,900 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-20 22:11:41,900 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:11:41,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:41,901 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:41,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-20 22:11:41,902 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:11:41,902 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:11:41,902 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:11:41,902 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-20 22:11:41,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-20 22:11:41,908 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:11:41,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:41,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:11:41,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:41,938 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:11:41,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:41,956 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 [2024-11-20 22:11:41,956 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:41,969 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 21 transitions. Complement of second has 5 states. [2024-11-20 22:11:41,970 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 [2024-11-20 22:11:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-20 22:11:41,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-20 22:11:41,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:41,971 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-20 22:11:41,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:41,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:11:41,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:41,999 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:11:41,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:42,016 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-20 22:11:42,017 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:42,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 21 transitions. Complement of second has 5 states. [2024-11-20 22:11:42,027 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 [2024-11-20 22:11:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:42,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-20 22:11:42,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-20 22:11:42,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:42,028 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-20 22:11:42,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:42,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:11:42,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:42,050 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:11:42,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:42,064 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 2 loop predicates [2024-11-20 22:11:42,064 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:42,074 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 24 transitions. Complement of second has 4 states. [2024-11-20 22:11:42,074 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 [2024-11-20 22:11:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-20 22:11:42,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-20 22:11:42,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:42,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-20 22:11:42,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:42,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-20 22:11:42,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:42,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 24 transitions. [2024-11-20 22:11:42,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-20 22:11:42,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 20 transitions. [2024-11-20 22:11:42,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-20 22:11:42,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-20 22:11:42,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2024-11-20 22:11:42,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:11:42,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-11-20 22:11:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2024-11-20 22:11:42,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 6. [2024-11-20 22:11:42,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2024-11-20 22:11:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2024-11-20 22:11:42,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-20 22:11:42,077 INFO L425 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-20 22:11:42,077 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-20 22:11:42,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2024-11-20 22:11:42,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-20 22:11:42,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:42,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:42,078 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:11:42,078 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-20 22:11:42,078 INFO L745 eck$LassoCheckResult]: Stem: 276#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 277#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~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; 278#L14-2 [2024-11-20 22:11:42,078 INFO L747 eck$LassoCheckResult]: Loop: 278#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1;main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 279#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;havoc main_#t~nondet3#1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 278#L14-2 [2024-11-20 22:11:42,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-20 22:11:42,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:42,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776101127] [2024-11-20 22:11:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:42,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:42,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:42,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:42,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2024-11-20 22:11:42,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:42,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000374537] [2024-11-20 22:11:42,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:42,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:42,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:42,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:42,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:42,087 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 3 times [2024-11-20 22:11:42,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:42,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268177669] [2024-11-20 22:11:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:42,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:42,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:42,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:42,117 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:42,117 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:42,117 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:42,117 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:42,117 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:11:42,117 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,117 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:42,117 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:42,117 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration4_Loop [2024-11-20 22:11:42,117 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:42,117 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:42,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,165 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:42,166 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:11:42,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,168 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:42,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-20 22:11:42,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:42,170 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:42,180 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:42,180 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:42,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,187 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:42,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-20 22:11:42,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:42,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:42,206 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:42,206 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:42,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,212 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:42,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-20 22:11:42,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:42,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:42,226 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:42,226 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0#1=0} Honda state: {ULTIMATE.start_main_~random~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:42,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,233 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2024-11-20 22:11:42,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-20 22:11:42,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:42,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:42,255 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:42,256 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:42,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,264 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2024-11-20 22:11:42,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-20 22:11:42,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:42,266 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:42,285 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:42,285 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:42,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,293 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2024-11-20 22:11:42,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-20 22:11:42,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:42,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:42,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,314 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2024-11-20 22:11:42,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-20 22:11:42,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:11:42,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:42,337 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:11:42,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,341 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:42,341 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:42,341 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:42,341 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:42,341 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:11:42,341 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,341 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:42,341 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:42,341 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration4_Loop [2024-11-20 22:11:42,341 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:42,341 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:42,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:42,394 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:42,394 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:11:42,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,397 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2024-11-20 22:11:42,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-20 22:11:42,399 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 [2024-11-20 22:11:42,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:42,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:42,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:42,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:42,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:42,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:42,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:42,410 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:42,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,418 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2024-11-20 22:11:42,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-20 22:11:42,421 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 [2024-11-20 22:11:42,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:42,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:42,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:42,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:42,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:42,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:42,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:42,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:42,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,440 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2024-11-20 22:11:42,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-20 22:11:42,442 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 [2024-11-20 22:11:42,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:42,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:42,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:42,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:42,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:11:42,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-20 22:11:42,456 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:42,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,462 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2024-11-20 22:11:42,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-20 22:11:42,465 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 [2024-11-20 22:11:42,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:42,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:42,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:42,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:42,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:11:42,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-20 22:11:42,479 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:42,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,486 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2024-11-20 22:11:42,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-20 22:11:42,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:11:42,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:42,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:42,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:42,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:42,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:42,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:42,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:42,505 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:11:42,508 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:11:42,508 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-20 22:11:42,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:42,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:42,510 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2024-11-20 22:11:42,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-20 22:11:42,512 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:11:42,512 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:11:42,513 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:11:42,513 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-20 22:11:42,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:42,519 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:11:42,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:42,533 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:11:42,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:42,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:11:42,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:42,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:42,550 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 [2024-11-20 22:11:42,550 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:42,560 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 18 transitions. Complement of second has 4 states. [2024-11-20 22:11:42,561 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 [2024-11-20 22:11:42,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-20 22:11:42,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-20 22:11:42,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:42,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-20 22:11:42,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:42,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-20 22:11:42,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:42,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2024-11-20 22:11:42,563 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:11:42,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2024-11-20 22:11:42,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-20 22:11:42,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-20 22:11:42,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-20 22:11:42,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:11:42,563 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:11:42,563 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:11:42,563 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:11:42,563 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-20 22:11:42,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-20 22:11:42,564 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:11:42,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-20 22:11:42,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:11:42 BoogieIcfgContainer [2024-11-20 22:11:42,569 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:11:42,570 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:11:42,570 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:11:42,570 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:11:42,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:40" (3/4) ... [2024-11-20 22:11:42,572 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 22:11:42,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:11:42,573 INFO L158 Benchmark]: Toolchain (without parser) took 2871.73ms. Allocated memory was 155.2MB in the beginning and 262.1MB in the end (delta: 107.0MB). Free memory was 124.4MB in the beginning and 108.0MB in the end (delta: 16.4MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2024-11-20 22:11:42,573 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory was 106.3MB in the beginning and 106.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:11:42,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.53ms. Allocated memory was 155.2MB in the beginning and 262.1MB in the end (delta: 107.0MB). Free memory was 124.2MB in the beginning and 222.8MB in the end (delta: -98.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 22:11:42,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.57ms. Allocated memory is still 262.1MB. Free memory was 222.8MB in the beginning and 221.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:11:42,574 INFO L158 Benchmark]: Boogie Preprocessor took 18.70ms. Allocated memory is still 262.1MB. Free memory was 221.7MB in the beginning and 220.7MB in the end (delta: 995.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:11:42,574 INFO L158 Benchmark]: RCFGBuilder took 165.50ms. Allocated memory is still 262.1MB. Free memory was 220.7MB in the beginning and 210.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 22:11:42,574 INFO L158 Benchmark]: BuchiAutomizer took 2477.62ms. Allocated memory is still 262.1MB. Free memory was 210.2MB in the beginning and 108.0MB in the end (delta: 102.2MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. [2024-11-20 22:11:42,574 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 262.1MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:11:42,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory was 106.3MB in the beginning and 106.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.53ms. Allocated memory was 155.2MB in the beginning and 262.1MB in the end (delta: 107.0MB). Free memory was 124.2MB in the beginning and 222.8MB in the end (delta: -98.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.57ms. Allocated memory is still 262.1MB. Free memory was 222.8MB in the beginning and 221.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.70ms. Allocated memory is still 262.1MB. Free memory was 221.7MB in the beginning and 220.7MB in the end (delta: 995.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 165.50ms. Allocated memory is still 262.1MB. Free memory was 220.7MB in the beginning and 210.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2477.62ms. Allocated memory is still 262.1MB. Free memory was 210.2MB in the beginning and 108.0MB in the end (delta: 102.2MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 262.1MB. Free memory is still 108.0MB. 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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 3 locations. One deterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 15 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 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! [2024-11-20 22:11:42,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-20 22:11:42,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-20 22:11:42,992 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 [2024-11-20 22:11:43,195 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