./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d 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-crafted/TelAviv-Amir-Minimum.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 27dab8f9dd6de13395a492c9fbbcffd97b1fd9082fe91b0943ef2aaae430e414 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:56:07,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:56:07,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-13 16:56:07,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:56:07,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:56:07,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:56:07,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:56:07,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:56:07,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:56:07,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:56:07,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:56:07,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:56:07,239 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:56:07,240 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 16:56:07,243 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 16:56:07,243 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 16:56:07,244 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 16:56:07,244 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 16:56:07,244 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 16:56:07,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:56:07,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 16:56:07,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:56:07,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:56:07,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 16:56:07,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 16:56:07,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 16:56:07,248 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:56:07,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:56:07,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:56:07,248 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 16:56:07,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:56:07,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:56:07,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:56:07,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:56:07,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:56:07,251 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 16:56:07,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27dab8f9dd6de13395a492c9fbbcffd97b1fd9082fe91b0943ef2aaae430e414 [2024-10-13 16:56:07,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:56:07,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:56:07,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:56:07,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:56:07,508 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:56:07,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2024-10-13 16:56:08,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:56:09,071 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:56:09,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2024-10-13 16:56:09,079 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc150130d/16995be05b0e4e01b6373b1762133b35/FLAGd439c1300 [2024-10-13 16:56:09,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc150130d/16995be05b0e4e01b6373b1762133b35 [2024-10-13 16:56:09,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:56:09,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:56:09,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:56:09,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:56:09,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:56:09,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b07d4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09, skipping insertion in model container [2024-10-13 16:56:09,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:56:09,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:56:09,684 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:56:09,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:56:09,719 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:56:09,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09 WrapperNode [2024-10-13 16:56:09,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:56:09,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:56:09,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:56:09,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:56:09,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,749 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-10-13 16:56:09,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:56:09,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:56:09,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:56:09,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:56:09,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,768 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:56:09,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:56:09,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:56:09,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:56:09,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:56:09,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (1/1) ... [2024-10-13 16:56:09,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:09,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:09,823 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) [2024-10-13 16:56:09,827 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 [2024-10-13 16:56:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:56:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:56:09,949 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:56:09,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:56:10,028 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-13 16:56:10,029 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:56:10,050 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:56:10,053 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 16:56:10,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:56:10 BoogieIcfgContainer [2024-10-13 16:56:10,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:56:10,055 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 16:56:10,055 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 16:56:10,060 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 16:56:10,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:56:10,061 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 04:56:09" (1/3) ... [2024-10-13 16:56:10,062 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6407ec85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:56:10, skipping insertion in model container [2024-10-13 16:56:10,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:56:10,062 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:09" (2/3) ... [2024-10-13 16:56:10,062 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6407ec85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:56:10, skipping insertion in model container [2024-10-13 16:56:10,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:56:10,063 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:56:10" (3/3) ... [2024-10-13 16:56:10,065 INFO L332 chiAutomizerObserver]: Analyzing ICFG TelAviv-Amir-Minimum.c [2024-10-13 16:56:10,122 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 16:56:10,122 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 16:56:10,122 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 16:56:10,122 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 16:56:10,123 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 16:56:10,123 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 16:56:10,123 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 16:56:10,123 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 16:56:10,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:10,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-13 16:56:10,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:10,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:10,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 16:56:10,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 16:56:10,145 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 16:56:10,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:10,147 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-13 16:56:10,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:10,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:10,147 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 16:56:10,148 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 16:56:10,154 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L25-2true [2024-10-13 16:56:10,154 INFO L747 eck$LassoCheckResult]: Loop: 3#L25-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 7#L25true assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 9#L33true assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 11#L33-2true havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3#L25-2true [2024-10-13 16:56:10,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 16:56:10,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:10,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836584897] [2024-10-13 16:56:10,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:10,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:10,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:10,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:10,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:10,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1274161, now seen corresponding path program 1 times [2024-10-13 16:56:10,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:10,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385434579] [2024-10-13 16:56:10,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:10,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:10,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:10,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:10,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:10,279 INFO L85 PathProgramCache]: Analyzing trace with hash 889701363, now seen corresponding path program 1 times [2024-10-13 16:56:10,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:10,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97822077] [2024-10-13 16:56:10,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:10,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:10,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:10,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:10,391 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:10,392 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:10,392 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:10,392 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:10,392 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:10,392 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,392 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:10,393 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:10,393 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration1_Loop [2024-10-13 16:56:10,393 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:10,393 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:10,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,530 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:10,531 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:10,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:10,535 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) [2024-10-13 16:56:10,536 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 [2024-10-13 16:56:10,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:10,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:10,566 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:10,566 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:10,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-13 16:56:10,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:10,585 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) [2024-10-13 16:56:10,586 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 [2024-10-13 16:56:10,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:10,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:10,610 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:10,611 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:10,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:10,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:10,629 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) [2024-10-13 16:56:10,631 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 [2024-10-13 16:56:10,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:10,632 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:10,659 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 [2024-10-13 16:56:10,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:10,660 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) [2024-10-13 16:56:10,661 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 [2024-10-13 16:56:10,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:10,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:10,693 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:10,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-13 16:56:10,698 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:10,698 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:10,698 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:10,698 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:10,698 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:10,698 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,698 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:10,698 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:10,698 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration1_Loop [2024-10-13 16:56:10,699 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:10,699 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:10,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:10,771 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:10,776 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:10,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:10,778 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) [2024-10-13 16:56:10,779 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 [2024-10-13 16:56:10,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:10,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:10,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:10,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:10,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:10,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:10,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:10,802 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:10,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:10,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:10,819 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) [2024-10-13 16:56:10,820 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 [2024-10-13 16:56:10,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:10,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:10,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:10,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:10,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:10,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:10,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:10,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:10,839 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:10,843 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:10,843 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:10,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:10,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:10,867 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) [2024-10-13 16:56:10,869 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 [2024-10-13 16:56:10,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:10,870 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:10,870 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:10,871 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 [] [2024-10-13 16:56:10,881 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 [2024-10-13 16:56:10,884 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:10,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:10,919 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:10,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:10,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:10,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:11,037 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:11,039 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:11,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-13 16:56:11,106 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 28 states and 40 transitions. Complement of second has 8 states. [2024-10-13 16:56:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2024-10-13 16:56:11,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-13 16:56:11,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:11,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-13 16:56:11,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:11,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 8 letters. [2024-10-13 16:56:11,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:11,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2024-10-13 16:56:11,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-13 16:56:11,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 17 states and 24 transitions. [2024-10-13 16:56:11,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-13 16:56:11,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-13 16:56:11,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2024-10-13 16:56:11,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:11,131 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2024-10-13 16:56:11,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2024-10-13 16:56:11,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2024-10-13 16:56:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2024-10-13 16:56:11,159 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-10-13 16:56:11,159 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-10-13 16:56:11,160 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 16:56:11,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2024-10-13 16:56:11,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-13 16:56:11,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:11,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:11,161 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-13 16:56:11,161 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 16:56:11,161 INFO L745 eck$LassoCheckResult]: Stem: 94#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 95#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_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 99#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 87#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 92#L26 [2024-10-13 16:56:11,161 INFO L747 eck$LassoCheckResult]: Loop: 92#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 90#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 91#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 100#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 92#L26 [2024-10-13 16:56:11,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:11,162 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-13 16:56:11,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:11,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983484447] [2024-10-13 16:56:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:11,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:11,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:11,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1450504, now seen corresponding path program 1 times [2024-10-13 16:56:11,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:11,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889061578] [2024-10-13 16:56:11,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:11,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:11,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:11,181 INFO L85 PathProgramCache]: Analyzing trace with hash 295929837, now seen corresponding path program 1 times [2024-10-13 16:56:11,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:11,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549148519] [2024-10-13 16:56:11,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:11,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:11,229 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:11,230 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:11,230 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:11,230 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:11,230 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:11,230 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,230 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:11,230 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:11,230 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration2_Loop [2024-10-13 16:56:11,230 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:11,230 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:11,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,308 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:11,308 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:11,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,311 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) [2024-10-13 16:56:11,313 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 [2024-10-13 16:56:11,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:11,314 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:11,336 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:11,337 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:11,347 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 [2024-10-13 16:56:11,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,349 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) [2024-10-13 16:56:11,350 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 [2024-10-13 16:56:11,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:11,351 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:11,363 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:11,363 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: [] [2024-10-13 16:56:11,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:11,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,375 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) [2024-10-13 16:56:11,376 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 [2024-10-13 16:56:11,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:11,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:11,418 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 [2024-10-13 16:56:11,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,420 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) [2024-10-13 16:56:11,423 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 [2024-10-13 16:56:11,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:11,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:11,497 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:11,502 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 [2024-10-13 16:56:11,502 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:11,502 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:11,502 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:11,502 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:11,502 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:11,502 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,502 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:11,502 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:11,503 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration2_Loop [2024-10-13 16:56:11,503 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:11,503 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:11,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,575 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:11,575 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:11,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,577 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) [2024-10-13 16:56:11,578 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 [2024-10-13 16:56:11,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:11,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:11,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:11,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:11,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:11,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:11,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:11,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:11,609 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 [2024-10-13 16:56:11,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,612 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) [2024-10-13 16:56:11,613 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 [2024-10-13 16:56:11,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:11,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:11,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:11,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:11,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:11,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:11,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:11,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:11,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:11,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-13 16:56:11,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,644 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) [2024-10-13 16:56:11,645 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 [2024-10-13 16:56:11,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:11,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:11,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:11,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:11,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:11,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:11,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:11,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:11,663 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:11,666 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:11,666 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:11,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,668 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) [2024-10-13 16:56:11,670 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 [2024-10-13 16:56:11,671 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:11,671 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:11,671 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:11,671 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 [] [2024-10-13 16:56:11,685 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 [2024-10-13 16:56:11,686 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:11,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:11,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:11,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:11,716 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:56:11,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:11,744 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:11,744 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:11,770 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 52 transitions. Complement of second has 7 states. [2024-10-13 16:56:11,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:11,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-10-13 16:56:11,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-13 16:56:11,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:11,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 4 letters. [2024-10-13 16:56:11,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:11,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 8 letters. [2024-10-13 16:56:11,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:11,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 52 transitions. [2024-10-13 16:56:11,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-13 16:56:11,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 31 states and 45 transitions. [2024-10-13 16:56:11,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-13 16:56:11,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-13 16:56:11,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 45 transitions. [2024-10-13 16:56:11,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:11,775 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 45 transitions. [2024-10-13 16:56:11,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 45 transitions. [2024-10-13 16:56:11,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2024-10-13 16:56:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 39 transitions. [2024-10-13 16:56:11,778 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 39 transitions. [2024-10-13 16:56:11,778 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 39 transitions. [2024-10-13 16:56:11,778 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 16:56:11,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 39 transitions. [2024-10-13 16:56:11,779 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-13 16:56:11,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:11,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:11,779 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-13 16:56:11,779 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 16:56:11,779 INFO L745 eck$LassoCheckResult]: Stem: 195#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 204#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 206#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 207#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 200#L26-2 [2024-10-13 16:56:11,779 INFO L747 eck$LassoCheckResult]: Loop: 200#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 210#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 190#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 192#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 200#L26-2 [2024-10-13 16:56:11,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:11,780 INFO L85 PathProgramCache]: Analyzing trace with hash 28699757, now seen corresponding path program 1 times [2024-10-13 16:56:11,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:11,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408356697] [2024-10-13 16:56:11,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:11,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:11,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:11,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1560156, now seen corresponding path program 1 times [2024-10-13 16:56:11,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:11,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252474322] [2024-10-13 16:56:11,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:11,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:11,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:11,813 INFO L85 PathProgramCache]: Analyzing trace with hash 585737416, now seen corresponding path program 1 times [2024-10-13 16:56:11,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:11,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494338278] [2024-10-13 16:56:11,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:11,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:11,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:11,864 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:11,864 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:11,864 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:11,864 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:11,864 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:11,865 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,865 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:11,865 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:11,865 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration3_Loop [2024-10-13 16:56:11,865 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:11,865 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:11,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:11,923 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:11,923 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:11,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,926 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) [2024-10-13 16:56:11,927 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 [2024-10-13 16:56:11,928 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:11,928 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:11,944 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:11,944 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: [] [2024-10-13 16:56:11,959 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 [2024-10-13 16:56:11,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,961 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) [2024-10-13 16:56:11,962 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 [2024-10-13 16:56:11,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:11,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:11,983 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:11,983 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:11,994 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 [2024-10-13 16:56:11,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:11,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:11,995 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) [2024-10-13 16:56:11,996 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 [2024-10-13 16:56:11,998 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:11,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,009 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:12,009 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:12,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:12,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,022 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) [2024-10-13 16:56:12,023 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 [2024-10-13 16:56:12,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:12,024 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:12,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,047 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) [2024-10-13 16:56:12,048 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 [2024-10-13 16:56:12,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:12,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,077 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:12,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:12,081 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:12,081 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:12,081 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:12,081 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:12,082 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:12,082 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,082 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:12,082 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:12,082 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration3_Loop [2024-10-13 16:56:12,082 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:12,082 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:12,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,150 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:12,150 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:12,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,153 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) [2024-10-13 16:56:12,156 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 [2024-10-13 16:56:12,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:12,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:12,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:12,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:12,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:12,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:12,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:12,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:12,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:12,185 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 [2024-10-13 16:56:12,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,188 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) [2024-10-13 16:56:12,189 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 [2024-10-13 16:56:12,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:12,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:12,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:12,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:12,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:12,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:12,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:12,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:12,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-13 16:56:12,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,222 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) [2024-10-13 16:56:12,224 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 [2024-10-13 16:56:12,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:12,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:12,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:12,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:12,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:12,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:12,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:12,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:12,241 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:12,243 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:12,243 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:12,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,246 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) [2024-10-13 16:56:12,247 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 [2024-10-13 16:56:12,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:12,247 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:12,248 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:12,248 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 [] [2024-10-13 16:56:12,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-13 16:56:12,263 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:12,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:12,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:12,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:12,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:12,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:12,325 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-13 16:56:12,325 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 39 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:12,347 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 39 transitions. cyclomatic complexity: 16. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 85 transitions. Complement of second has 7 states. [2024-10-13 16:56:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2024-10-13 16:56:12,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2024-10-13 16:56:12,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:12,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-13 16:56:12,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:12,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2024-10-13 16:56:12,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:12,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 85 transitions. [2024-10-13 16:56:12,351 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-13 16:56:12,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 52 states and 75 transitions. [2024-10-13 16:56:12,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2024-10-13 16:56:12,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-10-13 16:56:12,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 75 transitions. [2024-10-13 16:56:12,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:12,352 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-10-13 16:56:12,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 75 transitions. [2024-10-13 16:56:12,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2024-10-13 16:56:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 46 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-10-13 16:56:12,357 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-10-13 16:56:12,357 INFO L425 stractBuchiCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-10-13 16:56:12,357 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 16:56:12,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 69 transitions. [2024-10-13 16:56:12,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-13 16:56:12,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:12,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:12,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:12,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 16:56:12,359 INFO L745 eck$LassoCheckResult]: Stem: 330#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 331#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_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 341#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 327#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 328#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 348#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 347#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 343#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 344#L33 [2024-10-13 16:56:12,359 INFO L747 eck$LassoCheckResult]: Loop: 344#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 366#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 365#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 363#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 344#L33 [2024-10-13 16:56:12,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:12,359 INFO L85 PathProgramCache]: Analyzing trace with hash 295929846, now seen corresponding path program 1 times [2024-10-13 16:56:12,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:12,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834766906] [2024-10-13 16:56:12,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:12,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:12,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:12,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:12,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:12,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1727281, now seen corresponding path program 2 times [2024-10-13 16:56:12,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:12,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167122786] [2024-10-13 16:56:12,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:12,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:12,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:12,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:12,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:12,382 INFO L85 PathProgramCache]: Analyzing trace with hash 69132454, now seen corresponding path program 1 times [2024-10-13 16:56:12,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:12,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614665041] [2024-10-13 16:56:12,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:12,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:12,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:12,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:12,424 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:12,424 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:12,424 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:12,424 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:12,424 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:12,424 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,424 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:12,424 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:12,424 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration4_Loop [2024-10-13 16:56:12,425 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:12,425 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:12,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,485 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:12,485 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:12,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,487 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) [2024-10-13 16:56:12,489 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 [2024-10-13 16:56:12,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:12,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,503 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:12,503 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: [] [2024-10-13 16:56:12,513 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 [2024-10-13 16:56:12,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,515 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) [2024-10-13 16:56:12,515 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 [2024-10-13 16:56:12,516 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:12,516 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,534 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:12,535 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:12,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-13 16:56:12,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,546 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) [2024-10-13 16:56:12,547 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 [2024-10-13 16:56:12,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:12,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,558 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:12,559 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:12,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:12,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,570 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) [2024-10-13 16:56:12,571 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 [2024-10-13 16:56:12,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:12,572 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,589 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:12,590 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:12,600 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 [2024-10-13 16:56:12,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,601 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) [2024-10-13 16:56:12,603 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 [2024-10-13 16:56:12,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:12,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,627 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 [2024-10-13 16:56:12,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,628 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) [2024-10-13 16:56:12,643 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 [2024-10-13 16:56:12,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:12,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:12,653 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 [2024-10-13 16:56:12,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-13 16:56:12,724 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:12,728 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 [2024-10-13 16:56:12,728 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:12,729 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:12,729 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:12,729 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:12,729 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:12,729 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,729 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:12,729 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:12,729 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration4_Loop [2024-10-13 16:56:12,729 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:12,729 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:12,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:12,789 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:12,789 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:12,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,791 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) [2024-10-13 16:56:12,792 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 [2024-10-13 16:56:12,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:12,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:12,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:12,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:12,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:12,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:12,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:12,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:12,804 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:12,814 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 [2024-10-13 16:56:12,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,816 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) [2024-10-13 16:56:12,817 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 [2024-10-13 16:56:12,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:12,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:12,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:12,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:12,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:12,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:12,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:12,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:12,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:12,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,843 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) [2024-10-13 16:56:12,843 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 [2024-10-13 16:56:12,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:12,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:12,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:12,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:12,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:12,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:12,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:12,859 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:12,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-13 16:56:12,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,875 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) [2024-10-13 16:56:12,876 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 [2024-10-13 16:56:12,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:12,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:12,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:12,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:12,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:12,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:12,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:12,892 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:12,907 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 [2024-10-13 16:56:12,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,912 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) [2024-10-13 16:56:12,914 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 [2024-10-13 16:56:12,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:12,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:12,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:12,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:12,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:12,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:12,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:12,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:12,931 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:12,935 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:12,935 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:12,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:12,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:12,937 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) [2024-10-13 16:56:12,939 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 [2024-10-13 16:56:12,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:12,941 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:12,941 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:12,941 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 [] [2024-10-13 16:56:12,954 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 [2024-10-13 16:56:12,955 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:12,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:12,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:12,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:12,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:12,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:13,013 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:13,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 69 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,039 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 69 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 148 transitions. Complement of second has 7 states. [2024-10-13 16:56:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-13 16:56:13,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2024-10-13 16:56:13,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:13,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-13 16:56:13,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:13,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 8 letters. [2024-10-13 16:56:13,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:13,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 148 transitions. [2024-10-13 16:56:13,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-13 16:56:13,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 83 states and 124 transitions. [2024-10-13 16:56:13,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-10-13 16:56:13,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-10-13 16:56:13,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 124 transitions. [2024-10-13 16:56:13,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:13,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 124 transitions. [2024-10-13 16:56:13,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 124 transitions. [2024-10-13 16:56:13,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2024-10-13 16:56:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.481012658227848) internal successors, (117), 78 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 117 transitions. [2024-10-13 16:56:13,055 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 117 transitions. [2024-10-13 16:56:13,055 INFO L425 stractBuchiCegarLoop]: Abstraction has 79 states and 117 transitions. [2024-10-13 16:56:13,055 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-13 16:56:13,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 117 transitions. [2024-10-13 16:56:13,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-13 16:56:13,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:13,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:13,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:13,057 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 16:56:13,057 INFO L745 eck$LassoCheckResult]: Stem: 536#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 525#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 526#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 582#L33 assume !(main_~x~0#1 < main_~y~0#1);main_~x~0#1 := main_~y~0#1 - 1; 580#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 579#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 577#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 578#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 555#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 554#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 548#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 549#L33 [2024-10-13 16:56:13,057 INFO L747 eck$LassoCheckResult]: Loop: 549#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 544#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 531#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 552#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 549#L33 [2024-10-13 16:56:13,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1933001244, now seen corresponding path program 1 times [2024-10-13 16:56:13,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:13,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128884489] [2024-10-13 16:56:13,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:13,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:13,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1727281, now seen corresponding path program 3 times [2024-10-13 16:56:13,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:13,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124693543] [2024-10-13 16:56:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:13,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:13,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1555787668, now seen corresponding path program 1 times [2024-10-13 16:56:13,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:13,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451886993] [2024-10-13 16:56:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:13,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:13,137 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:13,137 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:13,137 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:13,137 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:13,137 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:13,137 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,137 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:13,138 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:13,138 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration5_Loop [2024-10-13 16:56:13,138 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:13,138 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:13,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,201 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:13,201 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:13,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:13,203 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) [2024-10-13 16:56:13,205 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 [2024-10-13 16:56:13,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:13,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:13,228 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 [2024-10-13 16:56:13,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:13,230 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) [2024-10-13 16:56:13,231 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 [2024-10-13 16:56:13,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:13,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:13,315 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:13,321 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 [2024-10-13 16:56:13,322 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:13,322 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:13,322 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:13,322 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:13,322 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:13,322 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,322 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:13,322 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:13,322 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration5_Loop [2024-10-13 16:56:13,322 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:13,322 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:13,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,380 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:13,380 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:13,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:13,382 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) [2024-10-13 16:56:13,384 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 [2024-10-13 16:56:13,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:13,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:13,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:13,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:13,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:13,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:13,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:13,404 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:13,417 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 [2024-10-13 16:56:13,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:13,419 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) [2024-10-13 16:56:13,420 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 [2024-10-13 16:56:13,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:13,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:13,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:13,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:13,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:13,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:13,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:13,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:13,435 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:13,438 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:13,438 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:13,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:13,439 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) [2024-10-13 16:56:13,440 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 [2024-10-13 16:56:13,441 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:13,441 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:13,441 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:13,441 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 [] [2024-10-13 16:56:13,455 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 [2024-10-13 16:56:13,456 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:13,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:13,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:13,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:13,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:13,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:13,524 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:13,524 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 148 transitions. Complement of second has 7 states. [2024-10-13 16:56:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-13 16:56:13,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-13 16:56:13,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:13,548 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:13,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:13,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:13,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:13,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:13,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:13,616 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:13,616 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,640 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 143 transitions. Complement of second has 7 states. [2024-10-13 16:56:13,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-13 16:56:13,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-13 16:56:13,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:13,642 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:13,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:13,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:13,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:13,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:13,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:13,699 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 3 loop predicates [2024-10-13 16:56:13,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,718 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 117 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 112 states and 174 transitions. Complement of second has 8 states. [2024-10-13 16:56:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-10-13 16:56:13,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-13 16:56:13,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:13,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 4 letters. [2024-10-13 16:56:13,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:13,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 8 letters. [2024-10-13 16:56:13,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:13,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 174 transitions. [2024-10-13 16:56:13,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2024-10-13 16:56:13,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 89 states and 134 transitions. [2024-10-13 16:56:13,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-10-13 16:56:13,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-10-13 16:56:13,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 134 transitions. [2024-10-13 16:56:13,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:13,728 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 134 transitions. [2024-10-13 16:56:13,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 134 transitions. [2024-10-13 16:56:13,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 55. [2024-10-13 16:56:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.509090909090909) internal successors, (83), 54 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 83 transitions. [2024-10-13 16:56:13,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 83 transitions. [2024-10-13 16:56:13,732 INFO L425 stractBuchiCegarLoop]: Abstraction has 55 states and 83 transitions. [2024-10-13 16:56:13,732 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-13 16:56:13,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 83 transitions. [2024-10-13 16:56:13,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2024-10-13 16:56:13,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:13,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:13,733 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:13,733 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:13,734 INFO L745 eck$LassoCheckResult]: Stem: 1107#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1108#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_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1116#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1104#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1105#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 1123#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1122#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1117#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 1118#L33 [2024-10-13 16:56:13,734 INFO L747 eck$LassoCheckResult]: Loop: 1118#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 1149#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1148#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1143#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1140#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 1141#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1146#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1145#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 1118#L33 [2024-10-13 16:56:13,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,734 INFO L85 PathProgramCache]: Analyzing trace with hash 295929846, now seen corresponding path program 2 times [2024-10-13 16:56:13,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:13,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096811886] [2024-10-13 16:56:13,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:13,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:13,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1739624888, now seen corresponding path program 1 times [2024-10-13 16:56:13,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:13,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96950884] [2024-10-13 16:56:13,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:13,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:13,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:13,753 INFO L85 PathProgramCache]: Analyzing trace with hash 576410797, now seen corresponding path program 2 times [2024-10-13 16:56:13,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:13,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889892738] [2024-10-13 16:56:13,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:13,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:13,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:13,815 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:13,815 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:13,815 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:13,815 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:13,815 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:13,815 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,815 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:13,815 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:13,815 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration6_Loop [2024-10-13 16:56:13,815 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:13,815 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:13,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:13,865 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:13,865 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:13,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:13,867 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) [2024-10-13 16:56:13,868 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 [2024-10-13 16:56:13,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:13,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:13,879 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:13,879 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: [] [2024-10-13 16:56:13,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-13 16:56:13,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:13,891 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) [2024-10-13 16:56:13,892 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 [2024-10-13 16:56:13,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:13,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:13,931 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 [2024-10-13 16:56:13,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:13,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:13,933 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) [2024-10-13 16:56:13,934 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 [2024-10-13 16:56:13,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:13,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:14,024 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:14,029 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 [2024-10-13 16:56:14,030 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:14,030 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:14,030 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:14,030 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:14,030 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:14,030 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,030 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:14,030 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:14,030 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration6_Loop [2024-10-13 16:56:14,030 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:14,030 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:14,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,116 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 [2024-10-13 16:56:14,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-13 16:56:14,141 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:14,141 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:14,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,142 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) [2024-10-13 16:56:14,143 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 [2024-10-13 16:56:14,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:14,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:14,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:14,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:14,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:14,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:14,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:14,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:14,156 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:14,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:14,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,168 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2024-10-13 16:56:14,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-13 16:56:14,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:14,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:14,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:14,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:14,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:14,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:14,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:14,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:14,182 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:14,184 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:14,185 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:14,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,186 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2024-10-13 16:56:14,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-13 16:56:14,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:14,188 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:14,188 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:14,188 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 [] [2024-10-13 16:56:14,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-13 16:56:14,199 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:14,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:14,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:14,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:14,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 16:56:14,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:14,273 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-13 16:56:14,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 83 transitions. cyclomatic complexity: 35 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:14,325 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 83 transitions. cyclomatic complexity: 35. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 229 states and 342 transitions. Complement of second has 9 states. [2024-10-13 16:56:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-10-13 16:56:14,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 8 letters. Loop has 8 letters. [2024-10-13 16:56:14,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:14,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 16 letters. Loop has 8 letters. [2024-10-13 16:56:14,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:14,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 8 letters. Loop has 16 letters. [2024-10-13 16:56:14,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:14,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 229 states and 342 transitions. [2024-10-13 16:56:14,335 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 26 [2024-10-13 16:56:14,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 229 states to 197 states and 298 transitions. [2024-10-13 16:56:14,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2024-10-13 16:56:14,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-10-13 16:56:14,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 298 transitions. [2024-10-13 16:56:14,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:14,337 INFO L218 hiAutomatonCegarLoop]: Abstraction has 197 states and 298 transitions. [2024-10-13 16:56:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 298 transitions. [2024-10-13 16:56:14,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 184. [2024-10-13 16:56:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 184 states have (on average 1.5108695652173914) internal successors, (278), 183 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 278 transitions. [2024-10-13 16:56:14,359 INFO L240 hiAutomatonCegarLoop]: Abstraction has 184 states and 278 transitions. [2024-10-13 16:56:14,359 INFO L425 stractBuchiCegarLoop]: Abstraction has 184 states and 278 transitions. [2024-10-13 16:56:14,360 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-13 16:56:14,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 278 transitions. [2024-10-13 16:56:14,361 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 26 [2024-10-13 16:56:14,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:14,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:14,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:14,364 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 16:56:14,364 INFO L745 eck$LassoCheckResult]: Stem: 1468#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1476#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1465#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1466#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 1488#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1482#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1483#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 1564#L33 assume !(main_~x~0#1 < main_~y~0#1);main_~x~0#1 := main_~y~0#1 - 1; 1565#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1600#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1601#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1622#L26 [2024-10-13 16:56:14,365 INFO L747 eck$LassoCheckResult]: Loop: 1622#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 1623#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1627#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 1624#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 1622#L26 [2024-10-13 16:56:14,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:14,365 INFO L85 PathProgramCache]: Analyzing trace with hash 69192027, now seen corresponding path program 2 times [2024-10-13 16:56:14,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:14,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707724539] [2024-10-13 16:56:14,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:14,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:14,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:14,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:14,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:14,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1450504, now seen corresponding path program 2 times [2024-10-13 16:56:14,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:14,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123768607] [2024-10-13 16:56:14,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:14,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:14,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:14,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:14,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:14,396 INFO L85 PathProgramCache]: Analyzing trace with hash -232935838, now seen corresponding path program 3 times [2024-10-13 16:56:14,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:14,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219249518] [2024-10-13 16:56:14,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:14,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:14,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:14,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:14,440 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:14,440 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:14,440 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:14,440 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:14,440 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:14,440 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,441 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:14,441 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:14,441 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration7_Loop [2024-10-13 16:56:14,441 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:14,441 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:14,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,495 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:14,495 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:14,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,496 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2024-10-13 16:56:14,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-13 16:56:14,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:14,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:14,509 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:14,509 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: [] [2024-10-13 16:56:14,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:14,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,520 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2024-10-13 16:56:14,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-13 16:56:14,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:14,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:14,540 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:14,540 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:14,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-13 16:56:14,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,553 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2024-10-13 16:56:14,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-13 16:56:14,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:14,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:14,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:14,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,584 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2024-10-13 16:56:14,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-13 16:56:14,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:14,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:14,651 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:14,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-13 16:56:14,655 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:14,655 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:14,655 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:14,655 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:14,656 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:14,656 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,656 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:14,656 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:14,656 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration7_Loop [2024-10-13 16:56:14,656 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:14,656 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:14,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:14,707 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:14,707 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:14,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,710 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2024-10-13 16:56:14,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-13 16:56:14,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:14,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:14,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:14,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:14,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:14,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:14,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:14,729 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:14,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:14,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,745 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2024-10-13 16:56:14,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-13 16:56:14,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:14,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:14,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:14,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:14,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:14,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:14,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:14,766 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:14,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:14,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,779 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2024-10-13 16:56:14,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-13 16:56:14,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:14,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:14,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:14,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:14,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:14,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:14,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:14,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:14,793 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:14,795 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-13 16:56:14,795 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-13 16:56:14,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:14,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:14,796 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2024-10-13 16:56:14,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-13 16:56:14,797 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:14,797 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:14,797 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:14,797 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 [] [2024-10-13 16:56:14,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-13 16:56:14,807 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:14,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:14,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:14,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:14,847 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:56:14,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:14,870 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:14,870 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:14,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 314 states and 456 transitions. Complement of second has 7 states. [2024-10-13 16:56:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-10-13 16:56:14,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-13 16:56:14,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:14,892 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:14,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:14,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:14,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:14,922 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:56:14,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:14,956 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:14,956 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:14,982 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 329 states and 473 transitions. Complement of second has 9 states. [2024-10-13 16:56:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2024-10-13 16:56:14,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-13 16:56:14,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:14,985 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:14,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:15,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:15,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:15,026 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:56:15,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:15,050 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 3 loop predicates [2024-10-13 16:56:15,050 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:15,075 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 184 states and 278 transitions. cyclomatic complexity: 117. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 412 states and 625 transitions. Complement of second has 9 states. [2024-10-13 16:56:15,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:15,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-10-13 16:56:15,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-13 16:56:15,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:15,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 16 letters. Loop has 4 letters. [2024-10-13 16:56:15,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:15,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 12 letters. Loop has 8 letters. [2024-10-13 16:56:15,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:15,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 412 states and 625 transitions. [2024-10-13 16:56:15,081 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 34 [2024-10-13 16:56:15,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 412 states to 280 states and 414 transitions. [2024-10-13 16:56:15,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2024-10-13 16:56:15,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2024-10-13 16:56:15,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 280 states and 414 transitions. [2024-10-13 16:56:15,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:15,084 INFO L218 hiAutomatonCegarLoop]: Abstraction has 280 states and 414 transitions. [2024-10-13 16:56:15,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states and 414 transitions. [2024-10-13 16:56:15,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 226. [2024-10-13 16:56:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 226 states have (on average 1.5176991150442478) internal successors, (343), 225 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 343 transitions. [2024-10-13 16:56:15,093 INFO L240 hiAutomatonCegarLoop]: Abstraction has 226 states and 343 transitions. [2024-10-13 16:56:15,093 INFO L425 stractBuchiCegarLoop]: Abstraction has 226 states and 343 transitions. [2024-10-13 16:56:15,094 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-13 16:56:15,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states and 343 transitions. [2024-10-13 16:56:15,095 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2024-10-13 16:56:15,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:15,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:15,096 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:15,096 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:15,096 INFO L745 eck$LassoCheckResult]: Stem: 2899#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2900#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_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2910#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 2917#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 2937#L33 assume !(main_~x~0#1 < main_~y~0#1);main_~x~0#1 := main_~y~0#1 - 1; 2931#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2929#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 2925#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 2926#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 2905#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 2978#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 2911#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 2912#L33 [2024-10-13 16:56:15,096 INFO L747 eck$LassoCheckResult]: Loop: 2912#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 2908#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2909#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 3082#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 3081#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 2891#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 2892#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 2916#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 2912#L33 [2024-10-13 16:56:15,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1932941662, now seen corresponding path program 1 times [2024-10-13 16:56:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:15,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952864834] [2024-10-13 16:56:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:15,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:15,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:15,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:15,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:15,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1739684470, now seen corresponding path program 1 times [2024-10-13 16:56:15,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:15,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064358532] [2024-10-13 16:56:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:15,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:15,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:15,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:15,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:15,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1166086121, now seen corresponding path program 1 times [2024-10-13 16:56:15,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:15,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285619518] [2024-10-13 16:56:15,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:15,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:15,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:15,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:15,166 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:15,166 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:15,166 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:15,166 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:15,166 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:15,166 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,166 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:15,166 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:15,166 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration8_Loop [2024-10-13 16:56:15,166 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:15,166 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:15,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,215 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:15,215 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:15,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,217 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2024-10-13 16:56:15,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-13 16:56:15,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:15,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:15,238 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:15,238 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:15,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-13 16:56:15,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,254 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2024-10-13 16:56:15,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-13 16:56:15,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:15,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:15,269 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:15,269 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:15,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-13 16:56:15,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,280 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2024-10-13 16:56:15,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-13 16:56:15,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:15,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:15,292 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:15,292 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: [] [2024-10-13 16:56:15,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-13 16:56:15,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,303 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2024-10-13 16:56:15,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-13 16:56:15,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:15,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:15,317 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:15,318 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: [] [2024-10-13 16:56:15,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:15,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,329 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2024-10-13 16:56:15,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-13 16:56:15,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:15,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:15,348 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:15,348 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:15,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-13 16:56:15,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,359 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2024-10-13 16:56:15,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-13 16:56:15,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:15,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:15,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-13 16:56:15,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,390 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2024-10-13 16:56:15,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-13 16:56:15,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:15,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:15,465 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:15,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-10-13 16:56:15,470 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:15,470 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:15,470 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:15,470 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:15,470 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:15,470 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,470 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:15,470 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:15,470 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration8_Loop [2024-10-13 16:56:15,470 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:15,470 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:15,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:15,529 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:15,529 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:15,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,532 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2024-10-13 16:56:15,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-13 16:56:15,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:15,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:15,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:15,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:15,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:15,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:15,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:15,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:15,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:15,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-10-13 16:56:15,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,558 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2024-10-13 16:56:15,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-13 16:56:15,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:15,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:15,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:15,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:15,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:15,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:15,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:15,574 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:15,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-10-13 16:56:15,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,585 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2024-10-13 16:56:15,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-13 16:56:15,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:15,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:15,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:15,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:15,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:15,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:15,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:15,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:15,599 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:15,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:15,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,610 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2024-10-13 16:56:15,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-13 16:56:15,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:15,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:15,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:15,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:15,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:15,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:15,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:15,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:15,622 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:15,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-13 16:56:15,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,634 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2024-10-13 16:56:15,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-13 16:56:15,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:15,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:15,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:15,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:15,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:15,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:15,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:15,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:15,649 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:15,651 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:15,651 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:15,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:15,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:15,653 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2024-10-13 16:56:15,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-13 16:56:15,654 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:15,654 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:15,654 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:15,654 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 [] [2024-10-13 16:56:15,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-13 16:56:15,665 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:15,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:15,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:15,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:15,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:15,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 16:56:15,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:15,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:15,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:15,784 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-13 16:56:15,785 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:15,834 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 446 states and 706 transitions. Complement of second has 9 states. [2024-10-13 16:56:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-10-13 16:56:15,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 12 letters. Loop has 8 letters. [2024-10-13 16:56:15,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:15,836 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:15,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:15,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:15,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:15,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 16:56:15,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:15,919 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-13 16:56:15,920 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:15,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 434 states and 652 transitions. Complement of second has 9 states. [2024-10-13 16:56:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:15,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2024-10-13 16:56:15,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 12 letters. Loop has 8 letters. [2024-10-13 16:56:15,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:15,968 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:15,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:15,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:15,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:16,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 16:56:16,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:16,046 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 4 loop predicates [2024-10-13 16:56:16,046 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:16,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 343 transitions. cyclomatic complexity: 140. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 652 states and 1016 transitions. Complement of second has 13 states. [2024-10-13 16:56:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2024-10-13 16:56:16,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 12 letters. Loop has 8 letters. [2024-10-13 16:56:16,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:16,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 20 letters. Loop has 8 letters. [2024-10-13 16:56:16,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:16,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 12 letters. Loop has 16 letters. [2024-10-13 16:56:16,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:16,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 652 states and 1016 transitions. [2024-10-13 16:56:16,095 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2024-10-13 16:56:16,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 652 states to 464 states and 709 transitions. [2024-10-13 16:56:16,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2024-10-13 16:56:16,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2024-10-13 16:56:16,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 464 states and 709 transitions. [2024-10-13 16:56:16,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:16,100 INFO L218 hiAutomatonCegarLoop]: Abstraction has 464 states and 709 transitions. [2024-10-13 16:56:16,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states and 709 transitions. [2024-10-13 16:56:16,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 313. [2024-10-13 16:56:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 313 states have (on average 1.5782747603833867) internal successors, (494), 312 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 494 transitions. [2024-10-13 16:56:16,119 INFO L240 hiAutomatonCegarLoop]: Abstraction has 313 states and 494 transitions. [2024-10-13 16:56:16,119 INFO L425 stractBuchiCegarLoop]: Abstraction has 313 states and 494 transitions. [2024-10-13 16:56:16,119 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-13 16:56:16,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 313 states and 494 transitions. [2024-10-13 16:56:16,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2024-10-13 16:56:16,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:16,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:16,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:16,124 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:16,124 INFO L745 eck$LassoCheckResult]: Stem: 4894#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 4895#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4907#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 4890#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 4891#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 4965#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5099#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5096#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 5094#L33 [2024-10-13 16:56:16,124 INFO L747 eck$LassoCheckResult]: Loop: 5094#L33 assume !(main_~x~0#1 < main_~y~0#1);main_~x~0#1 := main_~y~0#1 - 1; 4897#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5048#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5056#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 5053#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 5055#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5100#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5103#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 5094#L33 [2024-10-13 16:56:16,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:16,124 INFO L85 PathProgramCache]: Analyzing trace with hash 295989428, now seen corresponding path program 1 times [2024-10-13 16:56:16,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:16,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667019532] [2024-10-13 16:56:16,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:16,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:16,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash 930337844, now seen corresponding path program 1 times [2024-10-13 16:56:16,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:16,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861236637] [2024-10-13 16:56:16,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:16,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:16,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:16,149 INFO L85 PathProgramCache]: Analyzing trace with hash 25289191, now seen corresponding path program 2 times [2024-10-13 16:56:16,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:16,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093306125] [2024-10-13 16:56:16,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:16,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:16,210 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:16,210 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:16,210 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:16,210 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:16,210 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:16,210 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,210 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:16,210 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:16,211 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration9_Loop [2024-10-13 16:56:16,211 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:16,211 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:16,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,262 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:16,263 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:16,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,264 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2024-10-13 16:56:16,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-13 16:56:16,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:16,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:16,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:16,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,291 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2024-10-13 16:56:16,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-13 16:56:16,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:16,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:16,343 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:16,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-10-13 16:56:16,348 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:16,348 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:16,348 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:16,348 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:16,348 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:16,348 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,348 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:16,348 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:16,348 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration9_Loop [2024-10-13 16:56:16,348 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:16,348 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:16,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,395 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:16,395 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:16,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,396 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2024-10-13 16:56:16,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-13 16:56:16,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:16,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:16,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:16,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:16,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:16,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:16,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:16,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:16,409 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:16,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-10-13 16:56:16,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,420 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2024-10-13 16:56:16,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-10-13 16:56:16,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:16,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:16,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:16,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:16,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:16,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:16,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:16,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:16,438 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:16,440 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:16,440 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:16,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,441 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2024-10-13 16:56:16,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-10-13 16:56:16,442 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:16,442 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:16,442 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:16,442 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 [] [2024-10-13 16:56:16,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:16,453 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:16,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:16,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:16,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:16,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 16:56:16,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:16,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:16,517 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-13 16:56:16,517 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 313 states and 494 transitions. cyclomatic complexity: 204 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:16,557 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 313 states and 494 transitions. cyclomatic complexity: 204. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 673 states and 1074 transitions. Complement of second has 8 states. [2024-10-13 16:56:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2024-10-13 16:56:16,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 8 letters. [2024-10-13 16:56:16,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:16,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 16 letters. Loop has 8 letters. [2024-10-13 16:56:16,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:16,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 16 letters. [2024-10-13 16:56:16,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:16,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 673 states and 1074 transitions. [2024-10-13 16:56:16,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-13 16:56:16,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 673 states to 393 states and 609 transitions. [2024-10-13 16:56:16,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-10-13 16:56:16,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-10-13 16:56:16,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 393 states and 609 transitions. [2024-10-13 16:56:16,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:16,565 INFO L218 hiAutomatonCegarLoop]: Abstraction has 393 states and 609 transitions. [2024-10-13 16:56:16,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states and 609 transitions. [2024-10-13 16:56:16,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 274. [2024-10-13 16:56:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 274 states have (on average 1.5547445255474452) internal successors, (426), 273 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 426 transitions. [2024-10-13 16:56:16,571 INFO L240 hiAutomatonCegarLoop]: Abstraction has 274 states and 426 transitions. [2024-10-13 16:56:16,571 INFO L425 stractBuchiCegarLoop]: Abstraction has 274 states and 426 transitions. [2024-10-13 16:56:16,572 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-13 16:56:16,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 274 states and 426 transitions. [2024-10-13 16:56:16,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 16:56:16,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:16,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:16,573 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:56:16,573 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 16:56:16,574 INFO L745 eck$LassoCheckResult]: Stem: 5955#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 5956#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_#t~nondet4#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5966#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5981#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 5974#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 5971#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5968#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5967#L25 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; 5957#L33 assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 5958#L33-2 havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6082#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 6079#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 6081#L26 assume main_~x~0#1 < main_~y~0#1;main_~y~0#1 := main_~x~0#1 - 1; 6099#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 6096#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 6092#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 5952#L26 [2024-10-13 16:56:16,574 INFO L747 eck$LassoCheckResult]: Loop: 5952#L26 assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 5948#L26-2 havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5949#L25-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);havoc main_#t~nondet2#1; 5951#L25 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; 5952#L26 [2024-10-13 16:56:16,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:16,574 INFO L85 PathProgramCache]: Analyzing trace with hash 834576226, now seen corresponding path program 1 times [2024-10-13 16:56:16,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:16,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651837576] [2024-10-13 16:56:16,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:16,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:16,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:16,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1510086, now seen corresponding path program 2 times [2024-10-13 16:56:16,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:16,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650775191] [2024-10-13 16:56:16,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:16,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:16,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:16,601 INFO L85 PathProgramCache]: Analyzing trace with hash -389738073, now seen corresponding path program 2 times [2024-10-13 16:56:16,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:16,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678053419] [2024-10-13 16:56:16,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:16,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:16,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:16,638 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:16,638 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:16,638 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:16,638 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:16,639 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:16,639 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,639 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:16,639 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:16,639 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration10_Loop [2024-10-13 16:56:16,639 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:16,639 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:16,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,692 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:16,692 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:16,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,694 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2024-10-13 16:56:16,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-10-13 16:56:16,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:16,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:16,710 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:16,711 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: [] [2024-10-13 16:56:16,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-10-13 16:56:16,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,722 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2024-10-13 16:56:16,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-10-13 16:56:16,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:16,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:16,743 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:16,743 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_19=0} Honda state: {v_rep~unnamed0~0~false_19=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:16,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-10-13 16:56:16,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,755 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2024-10-13 16:56:16,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-10-13 16:56:16,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:16,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:16,773 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:16,774 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_19=1} Honda state: {v_rep~unnamed0~0~true_19=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:16,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-10-13 16:56:16,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,785 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2024-10-13 16:56:16,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-10-13 16:56:16,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:16,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:16,798 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:16,798 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: [] [2024-10-13 16:56:16,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-10-13 16:56:16,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,809 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2024-10-13 16:56:16,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-10-13 16:56:16,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:16,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:16,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-10-13 16:56:16,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,840 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2024-10-13 16:56:16,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-10-13 16:56:16,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:16,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:16,899 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:16,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-10-13 16:56:16,903 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:16,903 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:16,903 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:16,903 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:16,903 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:16,904 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,904 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:16,904 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:16,904 INFO L132 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum.c_Iteration10_Loop [2024-10-13 16:56:16,904 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:16,904 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:16,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:16,956 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:16,957 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:16,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,958 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2024-10-13 16:56:16,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-10-13 16:56:16,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:16,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:16,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:16,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:16,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:16,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:16,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:16,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:16,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:16,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2024-10-13 16:56:16,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:16,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:16,981 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2024-10-13 16:56:16,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-10-13 16:56:16,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:16,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:16,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:16,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:16,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:16,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:16,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:16,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:16,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:17,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-10-13 16:56:17,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:17,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:17,004 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2024-10-13 16:56:17,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-10-13 16:56:17,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:17,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:17,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:17,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:17,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:17,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:17,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:17,019 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:17,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-10-13 16:56:17,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:17,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:17,030 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2024-10-13 16:56:17,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-10-13 16:56:17,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:17,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:17,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:17,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:17,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:17,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:17,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:17,046 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:17,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-10-13 16:56:17,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:17,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:17,057 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2024-10-13 16:56:17,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-10-13 16:56:17,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:56:17,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:17,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:17,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:17,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:17,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:17,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:17,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:17,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:17,074 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:17,074 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:17,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:17,075 INFO L229 MonitoredProcess]: Starting monitored process 86 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) [2024-10-13 16:56:17,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-10-13 16:56:17,076 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:17,076 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:17,076 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:17,076 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 [] [2024-10-13 16:56:17,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2024-10-13 16:56:17,086 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:17,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:17,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:17,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:17,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:17,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:17,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:17,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:17,198 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:17,198 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:17,218 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 414 states and 641 transitions. Complement of second has 7 states. [2024-10-13 16:56:17,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:17,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-13 16:56:17,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-10-13 16:56:17,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:17,220 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:17,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:17,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:17,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:17,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:17,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:17,276 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:17,276 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:17,298 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 423 states and 630 transitions. Complement of second has 7 states. [2024-10-13 16:56:17,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-13 16:56:17,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 16 letters. Loop has 4 letters. [2024-10-13 16:56:17,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:17,299 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:17,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:17,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:17,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:17,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:17,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:56:17,358 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 3 loop predicates [2024-10-13 16:56:17,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:17,377 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 274 states and 426 transitions. cyclomatic complexity: 176. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 579 states and 992 transitions. Complement of second has 8 states. [2024-10-13 16:56:17,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-10-13 16:56:17,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 4 letters. [2024-10-13 16:56:17,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:17,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 20 letters. Loop has 4 letters. [2024-10-13 16:56:17,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:17,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 8 letters. [2024-10-13 16:56:17,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:17,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 579 states and 992 transitions. [2024-10-13 16:56:17,382 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 16:56:17,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 579 states to 0 states and 0 transitions. [2024-10-13 16:56:17,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 16:56:17,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 16:56:17,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 16:56:17,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 16:56:17,382 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:56:17,382 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:56:17,382 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:56:17,382 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-13 16:56:17,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 16:56:17,383 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 16:56:17,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 16:56:17,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 04:56:17 BoogieIcfgContainer [2024-10-13 16:56:17,390 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 16:56:17,390 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:56:17,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:56:17,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:56:17,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:56:10" (3/4) ... [2024-10-13 16:56:17,392 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:56:17,393 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:56:17,393 INFO L158 Benchmark]: Toolchain (without parser) took 7940.88ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 89.2MB in the beginning and 130.3MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:56:17,393 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 104.9MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:56:17,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.86ms. Allocated memory is still 157.3MB. Free memory was 89.0MB in the beginning and 127.6MB in the end (delta: -38.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 16:56:17,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.79ms. Allocated memory is still 157.3MB. Free memory was 127.6MB in the beginning and 126.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:56:17,394 INFO L158 Benchmark]: Boogie Preprocessor took 29.85ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 124.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:56:17,394 INFO L158 Benchmark]: RCFGBuilder took 271.49ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 115.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 16:56:17,394 INFO L158 Benchmark]: BuchiAutomizer took 7335.03ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 115.5MB in the beginning and 130.3MB in the end (delta: -14.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-10-13 16:56:17,395 INFO L158 Benchmark]: Witness Printer took 2.83ms. Allocated memory is still 188.7MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:56:17,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 104.9MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.86ms. Allocated memory is still 157.3MB. Free memory was 89.0MB in the beginning and 127.6MB in the end (delta: -38.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.79ms. Allocated memory is still 157.3MB. Free memory was 127.6MB in the beginning and 126.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.85ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 124.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 271.49ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 115.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7335.03ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 115.5MB in the beginning and 130.3MB in the end (delta: -14.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 2.83ms. Allocated memory is still 188.7MB. Free memory is still 130.3MB. 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 10 terminating modules (0 trivial, 6 deterministic, 4 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function x and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 5.0s. Construction of modules took 0.2s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 386 StatesRemovedByMinimization, 9 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 [6, 0, 4, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/6 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 273 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 222 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT10 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax174 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq130 hnf96 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 23 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-13 16:56:17,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE