./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaA10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaA10.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a22779a8a894423533dbeca4f6e8ce4ed32ee44c52235b9a9f0eb9a867d565b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:14:50,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:14:50,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:14:50,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:14:50,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:14:50,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:14:50,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:14:50,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:14:50,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:14:50,394 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:14:50,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:14:50,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:14:50,396 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:14:50,397 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:14:50,397 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:14:50,397 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:14:50,398 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:14:50,398 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:14:50,398 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:14:50,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:14:50,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:14:50,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:14:50,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:14:50,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:14:50,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:14:50,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:14:50,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:14:50,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:14:50,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:14:50,406 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:14:50,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:14:50,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:14:50,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:14:50,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:14:50,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:14:50,407 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:14:50,408 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22779a8a894423533dbeca4f6e8ce4ed32ee44c52235b9a9f0eb9a867d565b5 [2024-10-12 00:14:50,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:14:50,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:14:50,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:14:50,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:14:50,717 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:14:50,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaA10.c [2024-10-12 00:14:52,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:14:52,642 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:14:52,643 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaA10.c [2024-10-12 00:14:52,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/461afa9d3/cfbee9a39adb478ea8a3a1c18d8ca48e/FLAGe843e759f [2024-10-12 00:14:52,664 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/461afa9d3/cfbee9a39adb478ea8a3a1c18d8ca48e [2024-10-12 00:14:52,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:14:52,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:14:52,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:14:52,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:14:52,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:14:52,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:14:52" (1/1) ... [2024-10-12 00:14:52,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da7aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:52, skipping insertion in model container [2024-10-12 00:14:52,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:14:52" (1/1) ... [2024-10-12 00:14:52,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:14:52,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:14:52,978 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:14:53,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:14:53,101 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:14:53,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53 WrapperNode [2024-10-12 00:14:53,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:14:53,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:14:53,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:14:53,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:14:53,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,219 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-10-12 00:14:53,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:14:53,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:14:53,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:14:53,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:14:53,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,242 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,253 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-12 00:14:53,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:14:53,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:14:53,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:14:53,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:14:53,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (1/1) ... [2024-10-12 00:14:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:53,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:53,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:53,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:14:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:14:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:14:53,446 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:14:53,448 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:14:53,490 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-12 00:14:53,491 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:14:53,515 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:14:53,515 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:14:53,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:53 BoogieIcfgContainer [2024-10-12 00:14:53,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:14:53,523 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:14:53,523 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:14:53,532 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:14:53,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:53,533 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:14:52" (1/3) ... [2024-10-12 00:14:53,538 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d7ee6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:14:53, skipping insertion in model container [2024-10-12 00:14:53,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:53,542 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:53" (2/3) ... [2024-10-12 00:14:53,543 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d7ee6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:14:53, skipping insertion in model container [2024-10-12 00:14:53,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:53,543 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:53" (3/3) ... [2024-10-12 00:14:53,549 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaA10.c [2024-10-12 00:14:53,629 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:14:53,629 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:14:53,629 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:14:53,629 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:14:53,630 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:14:53,630 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:14:53,630 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:14:53,631 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:14:53,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:53,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:53,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:53,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:53,659 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:14:53,659 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:53,660 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:14:53,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:53,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:53,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:53,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:53,663 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:14:53,663 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:53,678 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2#L12-2true [2024-10-12 00:14:53,678 INFO L747 eck$LassoCheckResult]: Loop: 2#L12-2true assume !!(main_~x~0#1 != main_~y~0#1); 8#L12true assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1; 2#L12-2true [2024-10-12 00:14:53,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:53,691 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:14:53,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:53,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074261941] [2024-10-12 00:14:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:53,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:53,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:53,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-10-12 00:14:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:53,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681281116] [2024-10-12 00:14:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:53,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:53,900 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-12 00:14:53,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:53,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167606157] [2024-10-12 00:14:53,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:53,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:53,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:53,985 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:53,986 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:53,986 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:53,986 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:53,987 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:14:53,987 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:53,987 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:53,987 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:53,987 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration1_Loop [2024-10-12 00:14:53,987 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:53,987 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:54,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:54,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:54,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:54,090 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:54,091 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:14:54,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:54,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:54,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:14:54,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:54,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:54,123 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:54,124 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:54,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:54,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:54,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:54,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:14:54,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:54,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:54,167 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:54,167 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:54,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:54,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:54,186 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:54,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:14:54,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:54,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:54,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:14:54,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:54,222 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:54,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:14:54,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:14:54,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:54,369 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:14:54,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:14:54,375 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:54,375 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:54,375 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:54,376 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:54,376 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:14:54,376 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,376 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:54,376 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:54,376 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration1_Loop [2024-10-12 00:14:54,376 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:54,376 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:54,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:54,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:54,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:54,480 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:54,486 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:14:54,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:54,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:54,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:14:54,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:54,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:54,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:54,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:54,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:54,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:54,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:54,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:54,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:14:54,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:54,546 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:54,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:14:54,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:54,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:54,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:54,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:54,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:54,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:54,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:54,573 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:54,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-12 00:14:54,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:54,591 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:54,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:14:54,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:54,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:54,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:54,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:54,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:54,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:54,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:14:54,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:54,612 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:14:54,616 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-12 00:14:54,616 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:14:54,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:54,620 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:54,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:14:54,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:14:54,621 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:14:54,622 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:14:54,622 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-10-12 00:14:54,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:14:54,646 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:14:54,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:54,703 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:54,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:54,718 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:14:54,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:54,770 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:14:54,772 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:54,807 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 24 transitions. Complement of second has 6 states. [2024-10-12 00:14:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-10-12 00:14:54,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-12 00:14:54,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:54,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:14:54,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:54,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-12 00:14:54,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:54,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2024-10-12 00:14:54,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:54,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 8 states and 11 transitions. [2024-10-12 00:14:54,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-12 00:14:54,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-12 00:14:54,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-10-12 00:14:54,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:14:54,824 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-12 00:14:54,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-10-12 00:14:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-12 00:14:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-10-12 00:14:54,843 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-12 00:14:54,843 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-12 00:14:54,843 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:14:54,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-10-12 00:14:54,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:54,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:54,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:54,844 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-12 00:14:54,844 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:54,845 INFO L745 eck$LassoCheckResult]: Stem: 66#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 67#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_~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; 68#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 64#L12 assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1; 61#L12-2 [2024-10-12 00:14:54,845 INFO L747 eck$LassoCheckResult]: Loop: 61#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 62#L12 assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1; 61#L12-2 [2024-10-12 00:14:54,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:54,847 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-12 00:14:54,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:54,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628010434] [2024-10-12 00:14:54,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:54,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:54,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:54,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:54,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:54,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2024-10-12 00:14:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:54,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301073753] [2024-10-12 00:14:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:54,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:54,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:54,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:54,870 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2024-10-12 00:14:54,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:54,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352759911] [2024-10-12 00:14:54,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:54,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:54,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:14:54,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352759911] [2024-10-12 00:14:54,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352759911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:14:54,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:14:54,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:14:54,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682871542] [2024-10-12 00:14:54,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:14:54,953 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:54,953 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:54,953 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:54,953 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:54,953 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:14:54,953 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:54,953 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:54,954 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:54,954 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration2_Loop [2024-10-12 00:14:54,954 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:54,954 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:54,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:54,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:54,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,000 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:55,000 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:14:55,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,002 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:14:55,005 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:55,005 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:55,025 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:55,026 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:55,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:55,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,041 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:14:55,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:55,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:55,062 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:55,062 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:55,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-12 00:14:55,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:14:55,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:55,083 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:55,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 00:14:55,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,107 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:14:55,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:14:55,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:55,217 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:14:55,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:55,223 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:55,223 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:55,223 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:55,223 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:55,223 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:14:55,223 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,224 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:55,224 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:55,224 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration2_Loop [2024-10-12 00:14:55,224 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:55,224 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:55,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,275 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:55,276 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:14:55,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,277 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:14:55,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:55,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:55,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:55,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:55,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:55,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:55,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:55,327 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:55,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:55,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:55,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,340 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 00:14:55,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:55,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:55,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:55,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:55,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:55,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:55,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:55,359 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:55,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:55,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,372 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-12 00:14:55,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:55,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:55,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:55,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:55,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:55,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:55,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:14:55,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:55,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:14:55,390 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-12 00:14:55,391 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:14:55,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,392 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-12 00:14:55,394 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:14:55,395 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:14:55,395 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:14:55,395 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-12 00:14:55,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-12 00:14:55,411 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:14:55,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:55,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:55,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:55,434 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:14:55,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:55,448 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:14:55,448 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:55,462 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2024-10-12 00:14:55,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-10-12 00:14:55,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:14:55,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:55,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-12 00:14:55,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:55,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-12 00:14:55,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:55,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2024-10-12 00:14:55,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:55,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2024-10-12 00:14:55,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-12 00:14:55,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:14:55,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2024-10-12 00:14:55,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:14:55,466 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-10-12 00:14:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2024-10-12 00:14:55,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-12 00:14:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2024-10-12 00:14:55,467 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-10-12 00:14:55,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:14:55,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:14:55,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:14:55,471 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. Second operand has 4 states, 3 states have (on average 2.0) 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) [2024-10-12 00:14:55,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:14:55,483 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2024-10-12 00:14:55,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2024-10-12 00:14:55,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:55,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 10 states and 12 transitions. [2024-10-12 00:14:55,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-12 00:14:55,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:14:55,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2024-10-12 00:14:55,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:14:55,485 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-10-12 00:14:55,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2024-10-12 00:14:55,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 7. [2024-10-12 00:14:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-10-12 00:14:55,486 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-10-12 00:14:55,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:14:55,487 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-10-12 00:14:55,487 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:14:55,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2024-10-12 00:14:55,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:55,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:55,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:55,488 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:14:55,488 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:55,488 INFO L745 eck$LassoCheckResult]: Stem: 148#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 150#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 145#L12 [2024-10-12 00:14:55,488 INFO L747 eck$LassoCheckResult]: Loop: 145#L12 assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1; 144#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 145#L12 [2024-10-12 00:14:55,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:55,489 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-12 00:14:55,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:55,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62516291] [2024-10-12 00:14:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:55,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:55,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:55,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:55,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:55,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2024-10-12 00:14:55,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:55,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555404223] [2024-10-12 00:14:55,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:55,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:55,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:55,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:55,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:55,502 INFO L85 PathProgramCache]: Analyzing trace with hash 28699749, now seen corresponding path program 2 times [2024-10-12 00:14:55,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:55,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24077078] [2024-10-12 00:14:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:55,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:55,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:55,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:55,525 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:55,525 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:55,525 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:55,525 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:55,525 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:14:55,525 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,525 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:55,526 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:55,526 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration3_Loop [2024-10-12 00:14:55,526 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:55,526 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:55,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,573 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:55,573 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:14:55,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,575 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 00:14:55,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:55,583 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:55,601 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:55,601 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:55,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-12 00:14:55,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,614 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 00:14:55,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:55,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:55,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-12 00:14:55,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,640 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 00:14:55,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:14:55,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:55,820 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:14:55,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-12 00:14:55,826 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:55,826 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:55,826 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:55,827 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:55,827 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:14:55,827 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,827 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:55,827 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:55,827 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration3_Loop [2024-10-12 00:14:55,827 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:55,827 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:55,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:55,909 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:55,909 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:14:55,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,914 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 00:14:55,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:55,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:55,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:55,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:55,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:55,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:55,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:14:55,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:55,935 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:14:55,938 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-12 00:14:55,938 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:14:55,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:55,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:55,940 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:55,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 00:14:55,944 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:14:55,945 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:14:55,945 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:14:55,945 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-10-12 00:14:55,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:55,956 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:14:55,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:55,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:55,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:55,975 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:55,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:56,005 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:14:56,005 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,014 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 14 transitions. Complement of second has 5 states. [2024-10-12 00:14:56,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-12 00:14:56,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-12 00:14:56,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:56,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-12 00:14:56,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:56,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-12 00:14:56,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:56,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2024-10-12 00:14:56,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:56,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 9 transitions. [2024-10-12 00:14:56,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-12 00:14:56,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-10-12 00:14:56,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2024-10-12 00:14:56,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:14:56,017 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2024-10-12 00:14:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2024-10-12 00:14:56,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2024-10-12 00:14:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-10-12 00:14:56,018 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-12 00:14:56,018 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-12 00:14:56,019 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:14:56,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-10-12 00:14:56,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:56,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:56,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:56,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2024-10-12 00:14:56,020 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:56,020 INFO L745 eck$LassoCheckResult]: Stem: 202#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 203#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_~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; 198#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 199#L12 assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1; 200#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 201#L12 [2024-10-12 00:14:56,020 INFO L747 eck$LassoCheckResult]: Loop: 201#L12 assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1; 204#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 201#L12 [2024-10-12 00:14:56,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:56,020 INFO L85 PathProgramCache]: Analyzing trace with hash 28699811, now seen corresponding path program 2 times [2024-10-12 00:14:56,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:56,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085234150] [2024-10-12 00:14:56,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:56,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:56,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:56,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:56,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:56,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 2 times [2024-10-12 00:14:56,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:56,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184162397] [2024-10-12 00:14:56,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:56,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:56,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:56,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:56,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:56,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715040, now seen corresponding path program 2 times [2024-10-12 00:14:56,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:56,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062761855] [2024-10-12 00:14:56,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:56,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:14:56,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062761855] [2024-10-12 00:14:56,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062761855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:14:56,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:14:56,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:14:56,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157038883] [2024-10-12 00:14:56,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:14:56,096 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:56,096 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:56,096 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:56,096 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:56,096 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:14:56,096 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,096 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:56,096 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:56,097 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration4_Loop [2024-10-12 00:14:56,097 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:56,097 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:56,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:56,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:56,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:56,137 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:56,137 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:14:56,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:56,139 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:56,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-12 00:14:56,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:56,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:56,159 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:56,159 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:56,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:56,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:56,172 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:56,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-12 00:14:56,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:56,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:56,192 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:14:56,193 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:14:56,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-12 00:14:56,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:56,206 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:56,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-12 00:14:56,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:14:56,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:56,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-12 00:14:56,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:56,233 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:56,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-12 00:14:56,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:14:56,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:14:56,414 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:14:56,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:56,420 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:14:56,420 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:14:56,420 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:14:56,420 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:14:56,420 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:14:56,420 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,420 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:14:56,420 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:14:56,420 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration4_Loop [2024-10-12 00:14:56,420 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:14:56,420 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:14:56,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:56,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:56,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:14:56,473 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:14:56,473 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:14:56,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:56,475 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:56,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-12 00:14:56,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:56,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:56,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:56,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:56,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:56,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:56,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:56,491 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:56,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:56,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:56,504 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:56,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-12 00:14:56,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:56,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:56,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:56,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:56,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:56,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:14:56,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:14:56,519 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:14:56,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:56,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:56,532 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:56,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-12 00:14:56,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:14:56,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:14:56,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:14:56,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:14:56,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:14:56,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:14:56,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:14:56,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:14:56,547 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:14:56,549 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-12 00:14:56,550 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:14:56,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:56,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:56,551 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:56,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-12 00:14:56,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:14:56,553 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:14:56,553 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:14:56,553 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-10-12 00:14:56,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:56,564 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:14:56,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:56,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:56,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:56,585 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:56,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:56,597 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:14:56,598 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,601 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 9 transitions. Complement of second has 3 states. [2024-10-12 00:14:56,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-10-12 00:14:56,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-12 00:14:56,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:56,602 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:14:56,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:56,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:56,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:56,620 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:56,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:56,632 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:14:56,632 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,635 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 9 transitions. Complement of second has 3 states. [2024-10-12 00:14:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-10-12 00:14:56,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-12 00:14:56,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:56,636 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:14:56,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:56,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:14:56,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:56,654 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:14:56,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:14:56,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:56,665 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:14:56,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,672 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 10 transitions. Complement of second has 4 states. [2024-10-12 00:14:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:14:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-10-12 00:14:56,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-12 00:14:56,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:56,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2024-10-12 00:14:56,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:56,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2024-10-12 00:14:56,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:14:56,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-12 00:14:56,674 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:14:56,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2024-10-12 00:14:56,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:14:56,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:14:56,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:14:56,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:14:56,675 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:14:56,675 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:14:56,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:14:56,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:14:56,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:14:56,675 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:14:56,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:14:56,675 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-10-12 00:14:56,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-10-12 00:14:56,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:14:56,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-10-12 00:14:56,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:14:56,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:14:56,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:14:56,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:14:56,676 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:14:56,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:14:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 00:14:56,677 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:14:56,677 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-12 00:14:56,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:14:56,677 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:14:56,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:14:56,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:14:56 BoogieIcfgContainer [2024-10-12 00:14:56,682 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:14:56,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:14:56,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:14:56,683 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:14:56,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:53" (3/4) ... [2024-10-12 00:14:56,685 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:14:56,685 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:14:56,686 INFO L158 Benchmark]: Toolchain (without parser) took 4018.29ms. Allocated memory is still 178.3MB. Free memory was 110.5MB in the beginning and 69.3MB in the end (delta: 41.1MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-10-12 00:14:56,686 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:14:56,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.14ms. Allocated memory is still 178.3MB. Free memory was 110.3MB in the beginning and 151.0MB in the end (delta: -40.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-10-12 00:14:56,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.21ms. Allocated memory is still 178.3MB. Free memory was 150.6MB in the beginning and 149.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:14:56,687 INFO L158 Benchmark]: Boogie Preprocessor took 49.21ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 147.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:14:56,687 INFO L158 Benchmark]: RCFGBuilder took 251.68ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 138.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-12 00:14:56,687 INFO L158 Benchmark]: BuchiAutomizer took 3159.35ms. Allocated memory is still 178.3MB. Free memory was 138.8MB in the beginning and 69.3MB in the end (delta: 69.5MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-10-12 00:14:56,687 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 178.3MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:14:56,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.14ms. Allocated memory is still 178.3MB. Free memory was 110.3MB in the beginning and 151.0MB in the end (delta: -40.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.21ms. Allocated memory is still 178.3MB. Free memory was 150.6MB in the beginning and 149.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.21ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 147.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 251.68ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 138.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3159.35ms. Allocated memory is still 178.3MB. Free memory was 138.8MB in the beginning and 69.3MB in the end (delta: 69.5MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 178.3MB. Free memory is still 69.3MB. 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 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (y + ((long) -1 * x)) and consists of 4 locations. One deterministic module has affine ranking function (y + ((long) -1 * x)) and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * y) + x) and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -1 * y) + x) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 26 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax180 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf95 smp62 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:14:56,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-12 00:14:56,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-12 00:14:57,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-12 00:14:57,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE