./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaA10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/PastaA10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a22779a8a894423533dbeca4f6e8ce4ed32ee44c52235b9a9f0eb9a867d565b5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:54:46,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:54:46,592 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-12 20:54:46,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:54:46,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:54:46,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:54:46,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:54:46,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:54:46,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:54:46,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:54:46,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:54:46,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:54:46,646 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:54:46,646 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 20:54:46,648 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 20:54:46,648 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 20:54:46,649 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 20:54:46,649 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 20:54:46,650 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 20:54:46,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:54:46,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 20:54:46,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:54:46,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:54:46,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 20:54:46,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 20:54:46,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 20:54:46,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:54:46,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:54:46,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:54:46,657 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 20:54:46,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:54:46,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:54:46,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:54:46,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:54:46,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:54:46,660 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 20:54:46,661 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22779a8a894423533dbeca4f6e8ce4ed32ee44c52235b9a9f0eb9a867d565b5 [2024-11-12 20:54:46,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:54:47,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:54:47,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:54:47,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:54:47,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:54:47,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaA10.c [2024-11-12 20:54:48,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:54:48,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:54:48,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaA10.c [2024-11-12 20:54:48,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa443697/e2856845d22d4579b412dfddd54eb508/FLAG8de96d53f [2024-11-12 20:54:48,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa443697/e2856845d22d4579b412dfddd54eb508 [2024-11-12 20:54:48,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:54:48,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:54:48,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:54:48,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:54:48,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:54:48,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:54:48" (1/1) ... [2024-11-12 20:54:48,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd745d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:48, skipping insertion in model container [2024-11-12 20:54:48,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:54:48" (1/1) ... [2024-11-12 20:54:48,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:54:48,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:54:48,992 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:54:49,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:54:49,015 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:54:49,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49 WrapperNode [2024-11-12 20:54:49,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:54:49,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:54:49,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:54:49,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:54:49,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,038 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-12 20:54:49,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:54:49,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:54:49,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:54:49,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:54:49,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,055 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 20:54:49,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:54:49,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:54:49,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:54:49,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:54:49,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (1/1) ... [2024-11-12 20:54:49,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:49,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:49,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:49,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 20:54:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:54:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:54:49,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:54:49,236 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:54:49,308 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-12 20:54:49,309 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:54:49,328 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:54:49,329 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 20:54:49,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:54:49 BoogieIcfgContainer [2024-11-12 20:54:49,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:54:49,331 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 20:54:49,331 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 20:54:49,335 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 20:54:49,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:54:49,336 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 08:54:48" (1/3) ... [2024-11-12 20:54:49,338 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cb708f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:54:49, skipping insertion in model container [2024-11-12 20:54:49,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:54:49,338 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:54:49" (2/3) ... [2024-11-12 20:54:49,340 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cb708f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:54:49, skipping insertion in model container [2024-11-12 20:54:49,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:54:49,340 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:54:49" (3/3) ... [2024-11-12 20:54:49,341 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaA10.c [2024-11-12 20:54:49,407 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 20:54:49,407 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 20:54:49,407 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 20:54:49,408 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 20:54:49,408 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 20:54:49,408 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 20:54:49,408 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 20:54:49,408 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 20:54:49,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:49,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:49,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:54:49,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:54:49,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 20:54:49,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:54:49,436 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 20:54:49,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:49,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:49,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:54:49,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:54:49,440 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 20:54:49,440 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:54:49,448 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~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;" [2024-11-12 20:54:49,448 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~x~0#1 != main_~y~0#1);" "assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1;" [2024-11-12 20:54:49,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:49,454 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-12 20:54:49,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:49,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655209925] [2024-11-12 20:54:49,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:49,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:49,544 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:49,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:49,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:49,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-12 20:54:49,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:49,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951631082] [2024-11-12 20:54:49,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:49,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:49,579 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:49,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:49,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-12 20:54:49,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:49,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100552705] [2024-11-12 20:54:49,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:49,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:49,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:49,705 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:54:49,706 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:54:49,706 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:54:49,707 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:54:49,707 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:54:49,707 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:49,707 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:54:49,707 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:54:49,708 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration1_Loop [2024-11-12 20:54:49,708 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:54:49,708 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:54:49,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:49,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:49,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:49,852 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:54:49,853 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:54:49,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:49,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:49,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:49,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-12 20:54:49,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:49,863 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:49,887 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:54:49,888 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:54:49,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-12 20:54:49,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:49,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:49,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:49,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-12 20:54:49,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:49,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:49,927 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:54:49,927 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:54:49,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-12 20:54:49,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:49,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:49,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:49,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-12 20:54:49,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:49,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:49,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:49,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:49,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:49,981 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:49,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-12 20:54:49,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:54:49,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:50,108 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:54:50,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-12 20:54:50,114 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:54:50,114 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:54:50,114 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:54:50,114 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:54:50,114 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:54:50,114 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:50,114 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:54:50,114 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:54:50,115 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration1_Loop [2024-11-12 20:54:50,115 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:54:50,115 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:54:50,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:50,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:50,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:50,183 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:54:50,192 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:54:50,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:50,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:50,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:50,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-12 20:54:50,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:54:50,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:54:50,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:54:50,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:54:50,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:54:50,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:54:50,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:54:50,225 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:54:50,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-12 20:54:50,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:50,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:50,241 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:50,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-12 20:54:50,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:54:50,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:54:50,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:54:50,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:54:50,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:54:50,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:54:50,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:54:50,264 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:54:50,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:50,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:50,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:50,279 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:50,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-12 20:54:50,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:54:50,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:54:50,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:54:50,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:54:50,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:54:50,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:54:50,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:54:50,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:54:50,300 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:54:50,304 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-12 20:54:50,304 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:54:50,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:50,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:50,328 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:50,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-12 20:54:50,331 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:54:50,332 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:54:50,332 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:54:50,333 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 [] [2024-11-12 20:54:50,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-12 20:54:50,358 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:54:50,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:50,404 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:54:50,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:50,425 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:54:50,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:54:50,491 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:54:50,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:50,542 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 24 transitions. Complement of second has 6 states. [2024-11-12 20:54:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 20:54:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-12 20:54:50,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-12 20:54:50,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:50,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-12 20:54:50,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:50,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-12 20:54:50,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:50,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2024-11-12 20:54:50,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:50,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 8 states and 11 transitions. [2024-11-12 20:54:50,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-12 20:54:50,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-12 20:54:50,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-11-12 20:54:50,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:54:50,566 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-12 20:54:50,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-11-12 20:54:50,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-12 20:54:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-12 20:54:50,589 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-12 20:54:50,589 INFO L426 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-12 20:54:50,589 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 20:54:50,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-12 20:54:50,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:50,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:54:50,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:54:50,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-12 20:54:50,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:54:50,591 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~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;" "assume !!(main_~x~0#1 != main_~y~0#1);" "assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1;" [2024-11-12 20:54:50,591 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~x~0#1 != main_~y~0#1);" "assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1;" [2024-11-12 20:54:50,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:50,591 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-11-12 20:54:50,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:50,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499263186] [2024-11-12 20:54:50,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:50,601 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:50,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:50,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:50,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2024-11-12 20:54:50,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:50,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475935009] [2024-11-12 20:54:50,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:50,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:50,616 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:50,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:50,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:50,621 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2024-11-12 20:54:50,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:50,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712234129] [2024-11-12 20:54:50,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:50,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:50,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:54:50,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712234129] [2024-11-12 20:54:50,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712234129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:54:50,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989653826] [2024-11-12 20:54:50,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:50,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:54:50,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:50,761 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:54:50,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 20:54:50,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-12 20:54:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:50,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:54:50,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:50,855 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:54:50,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989653826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:54:50,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:54:50,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 20:54:50,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196241297] [2024-11-12 20:54:50,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:54:50,898 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:54:50,899 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:54:50,899 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:54:50,899 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:54:50,899 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:54:50,899 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:50,899 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:54:50,899 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:54:50,899 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration2_Loop [2024-11-12 20:54:50,900 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:54:50,900 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:54:50,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:50,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:50,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:50,959 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:54:50,960 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:54:50,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:50,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:50,963 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:50,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-12 20:54:50,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:50,965 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:50,985 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:54:50,986 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:54:50,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:50,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:50,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:50,999 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-12 20:54:51,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:51,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:51,019 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:54:51,019 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:54:51,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:51,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,031 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-12 20:54:51,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:51,033 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:51,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:51,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,058 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-12 20:54:51,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:54:51,060 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:51,184 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:54:51,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:51,190 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:54:51,191 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:54:51,191 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:54:51,191 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:54:51,191 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:54:51,191 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,191 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:54:51,191 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:54:51,191 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration2_Loop [2024-11-12 20:54:51,191 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:54:51,191 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:54:51,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,271 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:54:51,272 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:54:51,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,274 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-12 20:54:51,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:54:51,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:54:51,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:54:51,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:54:51,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:54:51,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:54:51,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:54:51,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:54:51,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:51,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,316 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-12 20:54:51,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:54:51,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:54:51,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:54:51,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:54:51,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:54:51,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:54:51,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:54:51,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:54:51,342 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:54:51,346 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-12 20:54:51,346 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:54:51,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,347 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-12 20:54:51,349 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:54:51,349 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:54:51,350 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:54:51,350 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 [] [2024-11-12 20:54:51,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-12 20:54:51,362 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:54:51,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:51,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:54:51,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:51,399 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:54:51,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:54:51,421 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:54:51,422 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:51,444 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2024-11-12 20:54:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 20:54:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-12 20:54:51,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-12 20:54:51,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:51,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-12 20:54:51,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:51,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-12 20:54:51,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:51,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2024-11-12 20:54:51,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:51,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2024-11-12 20:54:51,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-12 20:54:51,448 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-12 20:54:51,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2024-11-12 20:54:51,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:54:51,448 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-12 20:54:51,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2024-11-12 20:54:51,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-12 20:54:51,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:51,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2024-11-12 20:54:51,450 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-12 20:54:51,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:54:51,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:54:51,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:54:51,454 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) [2024-11-12 20:54:51,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:54:51,473 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2024-11-12 20:54:51,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2024-11-12 20:54:51,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:51,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 10 states and 12 transitions. [2024-11-12 20:54:51,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-12 20:54:51,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-12 20:54:51,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2024-11-12 20:54:51,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:54:51,479 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-12 20:54:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2024-11-12 20:54:51,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 7. [2024-11-12 20:54:51,480 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) [2024-11-12 20:54:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-11-12 20:54:51,481 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-12 20:54:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:54:51,482 INFO L426 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-12 20:54:51,485 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 20:54:51,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2024-11-12 20:54:51,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:51,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:54:51,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:54:51,486 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:54:51,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:54:51,486 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~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;" "assume !!(main_~x~0#1 != main_~y~0#1);" [2024-11-12 20:54:51,486 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1;" "assume !!(main_~x~0#1 != main_~y~0#1);" [2024-11-12 20:54:51,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:51,486 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-12 20:54:51,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:51,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086468055] [2024-11-12 20:54:51,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:51,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:51,492 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:51,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:51,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2024-11-12 20:54:51,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:51,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654655744] [2024-11-12 20:54:51,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:51,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:51,510 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:51,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:51,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash 28699749, now seen corresponding path program 2 times [2024-11-12 20:54:51,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:51,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639667707] [2024-11-12 20:54:51,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:51,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:51,529 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:51,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:51,556 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:54:51,557 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:54:51,557 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:54:51,557 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:54:51,557 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:54:51,557 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,557 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:54:51,557 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:54:51,557 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration3_Loop [2024-11-12 20:54:51,558 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:54:51,558 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:54:51,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,621 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:54:51,621 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:54:51,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,625 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-12 20:54:51,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:51,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:51,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-12 20:54:51,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,664 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-12 20:54:51,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:54:51,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:51,852 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:54:51,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-12 20:54:51,857 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:54:51,857 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:54:51,857 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:54:51,857 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:54:51,857 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:54:51,857 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,857 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:54:51,857 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:54:51,857 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration3_Loop [2024-11-12 20:54:51,857 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:54:51,858 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:54:51,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:51,916 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:54:51,916 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:54:51,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,918 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-12 20:54:51,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:54:51,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:54:51,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:54:51,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:54:51,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:54:51,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:54:51,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:54:51,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:54:51,940 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:54:51,947 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-12 20:54:51,947 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:54:51,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:51,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:51,950 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:51,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-12 20:54:51,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:54:51,952 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:54:51,952 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:54:51,952 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 [] [2024-11-12 20:54:51,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:51,964 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:54:51,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:51,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:54:51,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:51,993 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:54:51,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:52,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:54:52,021 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:54:52,021 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) [2024-11-12 20:54:52,036 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. [2024-11-12 20:54:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 20:54:52,037 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) [2024-11-12 20:54:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-12 20:54:52,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-12 20:54:52,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:52,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-12 20:54:52,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:52,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-12 20:54:52,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:52,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2024-11-12 20:54:52,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:52,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 9 transitions. [2024-11-12 20:54:52,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-12 20:54:52,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-12 20:54:52,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2024-11-12 20:54:52,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:54:52,039 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2024-11-12 20:54:52,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2024-11-12 20:54:52,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2024-11-12 20:54:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-11-12 20:54:52,041 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-12 20:54:52,041 INFO L426 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-12 20:54:52,041 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 20:54:52,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-11-12 20:54:52,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:54:52,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:54:52,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:54:52,043 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2024-11-12 20:54:52,043 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:54:52,043 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~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;" "assume !!(main_~x~0#1 != main_~y~0#1);" "assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1;" "assume !!(main_~x~0#1 != main_~y~0#1);" [2024-11-12 20:54:52,043 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1;" "assume !!(main_~x~0#1 != main_~y~0#1);" [2024-11-12 20:54:52,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:52,044 INFO L85 PathProgramCache]: Analyzing trace with hash 28699811, now seen corresponding path program 2 times [2024-11-12 20:54:52,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:52,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759726377] [2024-11-12 20:54:52,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:52,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:52,055 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:52,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:52,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:52,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 2 times [2024-11-12 20:54:52,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:52,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317322253] [2024-11-12 20:54:52,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:52,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:52,066 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:54:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:54:52,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:54:52,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:52,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715040, now seen corresponding path program 2 times [2024-11-12 20:54:52,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:54:52,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104891926] [2024-11-12 20:54:52,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:54:52,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:54:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:52,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:54:52,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104891926] [2024-11-12 20:54:52,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104891926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:54:52,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568543016] [2024-11-12 20:54:52,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 20:54:52,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:54:52,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:52,133 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:54:52,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 20:54:52,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:54:52,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:54:52,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-12 20:54:52,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158585178] [2024-11-12 20:54:52,159 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:54:52,184 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:54:52,184 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:54:52,184 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:54:52,184 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:54:52,184 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:54:52,184 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:52,184 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:54:52,184 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:54:52,184 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration4_Loop [2024-11-12 20:54:52,184 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:54:52,184 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:54:52,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:52,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:52,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:52,249 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:54:52,249 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:54:52,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:52,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:52,252 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:52,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-12 20:54:52,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:52,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:52,278 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:54:52,278 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:54:52,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:52,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:52,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:52,290 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:52,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-12 20:54:52,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:54:52,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:52,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:52,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:52,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:52,316 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:52,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-12 20:54:52,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:54:52,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:54:52,507 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:54:52,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:52,513 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:54:52,513 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:54:52,513 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:54:52,513 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:54:52,513 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:54:52,514 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:52,514 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:54:52,514 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:54:52,514 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration4_Loop [2024-11-12 20:54:52,514 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:54:52,514 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:54:52,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:52,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:52,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:54:52,576 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:54:52,577 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:54:52,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:52,579 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:52,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-12 20:54:52,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:54:52,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:54:52,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:54:52,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:54:52,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:54:52,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:54:52,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:54:52,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:54:52,597 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:54:52,602 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-12 20:54:52,603 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:54:52,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:54:52,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:54:52,605 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:54:52,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-12 20:54:52,609 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:54:52,609 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:54:52,609 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:54:52,610 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 [] [2024-11-12 20:54:52,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:52,629 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:54:52,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:52,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:54:52,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:52,661 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:54:52,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:54:52,680 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:54:52,680 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) [2024-11-12 20:54:52,689 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. [2024-11-12 20:54:52,692 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 [2024-11-12 20:54:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-12 20:54:52,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-12 20:54:52,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:52,693 INFO L683 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-12 20:54:52,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:52,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:54:52,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:52,722 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:54:52,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:54:52,748 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:54:52,748 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) [2024-11-12 20:54:52,773 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. [2024-11-12 20:54:52,774 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 [2024-11-12 20:54:52,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-12 20:54:52,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-12 20:54:52,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:52,776 INFO L683 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-12 20:54:52,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:54:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:52,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-12 20:54:52,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:54:52,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:52,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-12 20:54:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:54:52,832 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:54:52,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:54:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:54:52,860 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:54:52,860 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) [2024-11-12 20:54:52,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:52,870 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. [2024-11-12 20:54:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 20:54:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:54:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-12 20:54:52,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-12 20:54:52,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:52,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-12 20:54:52,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:52,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-12 20:54:52,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:54:52,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-11-12 20:54:52,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:54:52,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2024-11-12 20:54:52,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 20:54:52,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 20:54:52,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 20:54:52,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:54:52,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:54:52,875 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:54:52,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:54:52,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:54:52,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:54:52,876 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) [2024-11-12 20:54:52,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:54:52,876 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-12 20:54:52,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-12 20:54:52,876 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:54:52,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 20:54:52,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 20:54:52,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 20:54:52,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 20:54:52,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:54:52,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:54:52,877 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:54:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 20:54:52,877 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:54:52,877 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-12 20:54:52,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 20:54:52,877 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:54:52,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 20:54:52,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 08:54:52 BoogieIcfgContainer [2024-11-12 20:54:52,884 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 20:54:52,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:54:52,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:54:52,884 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:54:52,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:54:49" (3/4) ... [2024-11-12 20:54:52,888 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 20:54:52,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:54:52,890 INFO L158 Benchmark]: Toolchain (without parser) took 4088.06ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 119.5MB in the end (delta: 8.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-12 20:54:52,890 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 159.4MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:54:52,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.89ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 117.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 20:54:52,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.29ms. Allocated memory is still 159.4MB. Free memory was 117.0MB in the beginning and 115.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:54:52,891 INFO L158 Benchmark]: Boogie Preprocessor took 22.10ms. Allocated memory is still 159.4MB. Free memory was 115.7MB in the beginning and 114.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:54:52,891 INFO L158 Benchmark]: RCFGBuilder took 268.11ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 105.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 20:54:52,893 INFO L158 Benchmark]: BuchiAutomizer took 3552.52ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 119.5MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:54:52,893 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 159.4MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:54:52,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 159.4MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.89ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 117.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.29ms. Allocated memory is still 159.4MB. Free memory was 117.0MB in the beginning and 115.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.10ms. Allocated memory is still 159.4MB. Free memory was 115.7MB in the beginning and 114.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.11ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 105.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3552.52ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 119.5MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 159.4MB. Free memory is still 119.5MB. 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 3.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 26 mSDtfsCounter, 45 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: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 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! [2024-11-12 20:54:52,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:53,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 20:54:53,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE