./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/and-04-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-bwb/and-04-false.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 f308da08c261d59eb95c200bdea9061877e2637c8f9041803c89ef49e63b8c52 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:04:11,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:04:11,838 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 02:04:11,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:04:11,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:04:11,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:04:11,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:04:11,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:04:11,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:04:11,859 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:04:11,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:04:11,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:04:11,860 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:04:11,860 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:04:11,860 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:04:11,861 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:04:11,861 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:04:11,861 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:04:11,862 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:04:11,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:04:11,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:04:11,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:04:11,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:04:11,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:04:11,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:04:11,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:04:11,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:04:11,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:04:11,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:04:11,865 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:04:11,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:04:11,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:04:11,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:04:11,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:04:11,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:04:11,866 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:04:11,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f308da08c261d59eb95c200bdea9061877e2637c8f9041803c89ef49e63b8c52 [2024-11-23 02:04:12,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:04:12,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:04:12,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:04:12,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:04:12,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:04:12,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/and-04-false.c [2024-11-23 02:04:13,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:04:13,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:04:13,527 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-04-false.c [2024-11-23 02:04:13,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/281d479f0/63d5321322bc45e4bed29ecb51cd0777/FLAGc3d0d0e59 [2024-11-23 02:04:13,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/281d479f0/63d5321322bc45e4bed29ecb51cd0777 [2024-11-23 02:04:13,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:04:13,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:04:13,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:04:13,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:04:13,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:04:13,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:13" (1/1) ... [2024-11-23 02:04:13,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba681d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:13, skipping insertion in model container [2024-11-23 02:04:13,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:13" (1/1) ... [2024-11-23 02:04:13,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:04:14,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:04:14,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:04:14,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:04:14,212 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:04:14,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14 WrapperNode [2024-11-23 02:04:14,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:04:14,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:04:14,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:04:14,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:04:14,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,233 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-23 02:04:14,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:04:14,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:04:14,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:04:14,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:04:14,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,248 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 02:04:14,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:04:14,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:04:14,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:04:14,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:04:14,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (1/1) ... [2024-11-23 02:04:14,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:14,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:04:14,291 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) [2024-11-23 02:04:14,293 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 [2024-11-23 02:04:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:04:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:04:14,367 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:04:14,368 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:04:14,436 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-23 02:04:14,436 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:04:14,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:04:14,446 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 02:04:14,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:14 BoogieIcfgContainer [2024-11-23 02:04:14,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:04:14,448 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:04:14,448 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:04:14,451 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:04:14,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:04:14,452 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:04:13" (1/3) ... [2024-11-23 02:04:14,453 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@256bcf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:04:14, skipping insertion in model container [2024-11-23 02:04:14,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:04:14,453 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:14" (2/3) ... [2024-11-23 02:04:14,453 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@256bcf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:04:14, skipping insertion in model container [2024-11-23 02:04:14,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:04:14,453 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:14" (3/3) ... [2024-11-23 02:04:14,455 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-04-false.c [2024-11-23 02:04:14,495 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:04:14,495 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:04:14,495 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:04:14,495 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:04:14,495 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:04:14,496 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:04:14,496 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:04:14,496 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:04:14,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:04:14,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-23 02:04:14,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:04:14,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:04:14,514 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:04:14,514 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:04:14,514 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:04:14,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:04:14,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-23 02:04:14,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:04:14,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:04:14,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:04:14,517 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:04:14,523 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~x~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L16-2true [2024-11-23 02:04:14,523 INFO L747 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 < 8); 2#L16true assume !(0 == main_~x~0#1);main_~x~0#1 := main_~x~0#1 - 1; 8#L16-2true [2024-11-23 02:04:14,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:04:14,527 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 02:04:14,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:04:14,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144779930] [2024-11-23 02:04:14,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:04:14,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:04:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:04:14,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:04:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:04:14,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:04:14,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:04:14,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1331, now seen corresponding path program 1 times [2024-11-23 02:04:14,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:04:14,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509209498] [2024-11-23 02:04:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:04:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:04:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:04:14,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:04:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:04:14,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:04:14,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:04:14,697 INFO L85 PathProgramCache]: Analyzing trace with hash 925813, now seen corresponding path program 1 times [2024-11-23 02:04:14,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:04:14,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492007556] [2024-11-23 02:04:14,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:04:14,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:04:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:04:14,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:04:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:04:14,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:04:14,779 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:04:14,780 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:04:14,780 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:04:14,780 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:04:14,780 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:04:14,780 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:14,780 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:04:14,780 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:04:14,781 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-04-false.c_Iteration1_Loop [2024-11-23 02:04:14,781 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:04:14,781 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:04:14,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:04:14,899 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:04:14,899 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:04:14,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:14,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:04:14,903 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) [2024-11-23 02:04:14,905 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 [2024-11-23 02:04:14,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:04:14,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:04:14,930 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 [2024-11-23 02:04:14,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:14,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:04:14,933 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) [2024-11-23 02:04:14,940 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 [2024-11-23 02:04:14,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:04:14,941 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:04:14,979 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:04:14,980 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=-1}] Lambdas: [10, 5, 1] Nus: [0, 0] [2024-11-23 02:04:14,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-23 02:04:14,992 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:04:14,992 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:04:14,992 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:04:14,992 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:04:14,992 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:04:14,992 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:14,992 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:04:14,992 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:04:14,992 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-04-false.c_Iteration1_Lasso [2024-11-23 02:04:14,992 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:04:14,993 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:04:14,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:04:15,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:04:15,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:04:15,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:04:15,092 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:04:15,092 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:04:15,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:15,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:04:15,096 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) [2024-11-23 02:04:15,098 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 [2024-11-23 02:04:15,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:04:15,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:04:15,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-23 02:04:15,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:04:15,123 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) [2024-11-23 02:04:15,124 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 [2024-11-23 02:04:15,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:04:15,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:04:15,156 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:04:15,156 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=-1}] Lambdas: [10, 5, 1] Nus: [0, 0] [2024-11-23 02:04:15,165 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 [2024-11-23 02:04:15,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:15,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:04:15,167 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) [2024-11-23 02:04:15,170 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 [2024-11-23 02:04:15,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:04:15,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:04:15,184 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:04:15,184 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:04:15,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-23 02:04:15,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:15,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:04:15,196 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) [2024-11-23 02:04:15,198 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 [2024-11-23 02:04:15,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:04:15,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:04:15,211 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:04:15,211 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise1#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:04:15,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-23 02:04:15,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:04:15,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:04:15,221 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) [2024-11-23 02:04:15,222 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 [2024-11-23 02:04:15,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:04:15,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:04:15,234 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:04:15,235 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:04:15,241 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 [2024-11-23 02:04:15,255 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-23 02:04:15,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-23 02:04:15,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-23 02:04:15,259 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-23 02:04:15,260 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-23 02:04:15,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:04:15 BoogieIcfgContainer [2024-11-23 02:04:15,260 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:04:15,261 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:04:15,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:04:15,261 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:04:15,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:14" (3/4) ... [2024-11-23 02:04:15,263 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 02:04:15,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-23 02:04:15,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-23 02:04:15,291 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 02:04:15,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:04:15,293 INFO L158 Benchmark]: Toolchain (without parser) took 1357.18ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 84.0MB in the beginning and 203.7MB in the end (delta: -119.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:04:15,294 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:04:15,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.76ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 72.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-23 02:04:15,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.65ms. Allocated memory is still 155.2MB. Free memory was 72.6MB in the beginning and 71.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:04:15,295 INFO L158 Benchmark]: Boogie Preprocessor took 24.10ms. Allocated memory is still 155.2MB. Free memory was 71.1MB in the beginning and 69.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:04:15,295 INFO L158 Benchmark]: RCFGBuilder took 187.10ms. Allocated memory is still 155.2MB. Free memory was 69.9MB in the beginning and 60.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-23 02:04:15,295 INFO L158 Benchmark]: BuchiAutomizer took 812.57ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 59.9MB in the beginning and 206.0MB in the end (delta: -146.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:04:15,296 INFO L158 Benchmark]: Witness Printer took 30.75ms. Allocated memory is still 268.4MB. Free memory was 206.0MB in the beginning and 203.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:04:15,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.76ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 72.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.65ms. Allocated memory is still 155.2MB. Free memory was 72.6MB in the beginning and 71.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.10ms. Allocated memory is still 155.2MB. Free memory was 71.1MB in the beginning and 69.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 187.10ms. Allocated memory is still 155.2MB. Free memory was 69.9MB in the beginning and 60.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 812.57ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 59.9MB in the beginning and 206.0MB in the end (delta: -146.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 30.75ms. Allocated memory is still 268.4MB. Free memory was 206.0MB in the beginning and 203.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~bitwise1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~bitwise1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~bitwise1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf156 smp91 tf106 neg100 sie111 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 15]: Nontermination argument in form of an infinite program execution. [2024-11-23 02:04:15,309 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-23 02:04:15,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-23 02:04:15,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-23 02:04:15,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-23 02:04:15,311 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,311 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-23 02:04:15,311 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-23 02:04:15,311 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 Nontermination argument in form of an infinite execution State at position 0 is {x=-1, \result=0} State at position 1 is {x=-1, \result=0} For i>1, the state at position i is {x=-1 + sum_{k=0}^i -1, \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 1GEVs Lambdas: [10, 5, 1] Mus: [0, 0] - NonterminatingLassoResult [Line: 15]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x; [L14] x = __VERIFIER_nondet_int() Loop: [L15] COND TRUE x < 8 [L16] COND FALSE !(x == 0) [L20] x = x-1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 02:04:15,324 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)