./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 3061b6dc 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-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-3061b6d-m [2024-11-19 14:12:17,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:12:17,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-19 14:12:17,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:12:17,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:12:18,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:12:18,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:12:18,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:12:18,023 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:12:18,024 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:12:18,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:12:18,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:12:18,025 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:12:18,026 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:12:18,028 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:12:18,028 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:12:18,028 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:12:18,029 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:12:18,029 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:12:18,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:12:18,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:12:18,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:12:18,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:12:18,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:12:18,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:12:18,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:12:18,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:12:18,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:12:18,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:12:18,035 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:12:18,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:12:18,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:12:18,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:12:18,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:12:18,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:12:18,037 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:12:18,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f308da08c261d59eb95c200bdea9061877e2637c8f9041803c89ef49e63b8c52 [2024-11-19 14:12:18,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:12:18,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:12:18,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:12:18,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:12:18,316 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:12:18,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/and-04-false.c [2024-11-19 14:12:19,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:12:19,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:12:19,945 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-04-false.c [2024-11-19 14:12:19,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa7e9aa40/d7287f32b17141dfb2a6093bb18836e4/FLAG68300efcd [2024-11-19 14:12:19,971 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa7e9aa40/d7287f32b17141dfb2a6093bb18836e4 [2024-11-19 14:12:19,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:12:19,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:12:19,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:12:19,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:12:19,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:12:19,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:19" (1/1) ... [2024-11-19 14:12:19,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24cd71a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:19, skipping insertion in model container [2024-11-19 14:12:19,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:19" (1/1) ... [2024-11-19 14:12:20,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:12:20,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:12:20,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:12:20,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:12:20,203 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:12:20,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20 WrapperNode [2024-11-19 14:12:20,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:12:20,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:12:20,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:12:20,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:12:20,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,235 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-19 14:12:20,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:12:20,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:12:20,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:12:20,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:12:20,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,258 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 14:12:20,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:12:20,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:12:20,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:12:20,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:12:20,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (1/1) ... [2024-11-19 14:12:20,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:20,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:20,307 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) [2024-11-19 14:12:20,315 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 [2024-11-19 14:12:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:12:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:12:20,418 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:12:20,420 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:12:20,508 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-19 14:12:20,508 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:12:20,522 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:12:20,522 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:12:20,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:20 BoogieIcfgContainer [2024-11-19 14:12:20,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:12:20,523 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:12:20,524 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:12:20,528 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:12:20,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:12:20,529 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:12:19" (1/3) ... [2024-11-19 14:12:20,530 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@117b9033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:12:20, skipping insertion in model container [2024-11-19 14:12:20,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:12:20,530 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:20" (2/3) ... [2024-11-19 14:12:20,531 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@117b9033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:12:20, skipping insertion in model container [2024-11-19 14:12:20,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:12:20,531 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:20" (3/3) ... [2024-11-19 14:12:20,532 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-04-false.c [2024-11-19 14:12:20,586 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:12:20,586 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:12:20,587 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:12:20,587 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:12:20,587 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:12:20,587 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:12:20,587 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:12:20,587 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:12:20,591 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) [2024-11-19 14:12:20,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-19 14:12:20,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:20,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:20,607 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:12:20,607 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:12:20,608 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:12:20,608 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) [2024-11-19 14:12:20,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-19 14:12:20,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:12:20,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:12:20,610 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:12:20,610 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:12:20,615 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~x~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L16-2true [2024-11-19 14:12:20,616 INFO L747 eck$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 [2024-11-19 14:12:20,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:20,622 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:12:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:20,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617133003] [2024-11-19 14:12:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:20,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:20,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:20,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:20,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:20,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1331, now seen corresponding path program 1 times [2024-11-19 14:12:20,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8718229] [2024-11-19 14:12:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:20,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:20,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:20,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:12:20,774 INFO L85 PathProgramCache]: Analyzing trace with hash 925813, now seen corresponding path program 1 times [2024-11-19 14:12:20,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:12:20,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100992173] [2024-11-19 14:12:20,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:12:20,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:12:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:20,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:12:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:12:20,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:12:20,872 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:20,873 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:20,873 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:20,873 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:20,873 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:20,874 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:20,874 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:20,874 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:20,874 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-04-false.c_Iteration1_Loop [2024-11-19 14:12:20,874 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:20,878 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:20,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:21,020 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:21,020 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:21,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:21,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:21,025 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) [2024-11-19 14:12:21,027 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 [2024-11-19 14:12:21,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:21,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:21,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:21,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:21,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:21,068 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) [2024-11-19 14:12:21,069 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 [2024-11-19 14:12:21,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:21,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:21,109 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:21,110 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-8} Honda state: {ULTIMATE.start_main_~x~0#1=-8} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=-1}] Lambdas: [5, 7, 1] Nus: [0, 0] [2024-11-19 14:12:21,124 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 [2024-11-19 14:12:21,130 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:12:21,130 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:12:21,131 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:12:21,131 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:12:21,131 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:12:21,131 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:21,131 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:12:21,131 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:12:21,131 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-04-false.c_Iteration1_Lasso [2024-11-19 14:12:21,132 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:12:21,132 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:12:21,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:21,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:21,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:21,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:12:21,240 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:12:21,240 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:12:21,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:21,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:21,242 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) [2024-11-19 14:12:21,244 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 [2024-11-19 14:12:21,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:21,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:21,279 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 [2024-11-19 14:12:21,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:21,282 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) [2024-11-19 14:12:21,283 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 [2024-11-19 14:12:21,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:12:21,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:21,321 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:21,321 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-8} Honda state: {ULTIMATE.start_main_~x~0#1=-8} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=-1}] Lambdas: [5, 7, 1] Nus: [0, 0] [2024-11-19 14:12:21,338 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 [2024-11-19 14:12:21,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:21,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:21,341 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) [2024-11-19 14:12:21,343 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 [2024-11-19 14:12:21,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:21,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:21,362 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:21,362 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: [] [2024-11-19 14:12:21,378 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 [2024-11-19 14:12:21,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:21,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:21,381 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) [2024-11-19 14:12:21,383 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 [2024-11-19 14:12:21,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:21,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:21,399 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:21,400 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: [] [2024-11-19 14:12:21,415 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 [2024-11-19 14:12:21,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:12:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:12:21,419 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) [2024-11-19 14:12:21,420 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 [2024-11-19 14:12:21,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:12:21,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:12:21,440 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:12:21,440 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: [] [2024-11-19 14:12:21,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-19 14:12:21,475 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,476 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-19 14:12:21,477 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,477 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-19 14:12:21,477 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,478 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-19 14:12:21,481 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-19 14:12:21,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-19 14:12:21,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:12:21 BoogieIcfgContainer [2024-11-19 14:12:21,483 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:12:21,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:12:21,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:12:21,484 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:12:21,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:20" (3/4) ... [2024-11-19 14:12:21,487 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:12:21,489 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-19 14:12:21,490 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-19 14:12:21,523 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:12:21,523 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:12:21,527 INFO L158 Benchmark]: Toolchain (without parser) took 1549.43ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 63.2MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-19 14:12:21,528 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 113.2MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:12:21,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.16ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 114.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:12:21,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.79ms. Allocated memory is still 155.2MB. Free memory was 114.9MB in the beginning and 113.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:12:21,529 INFO L158 Benchmark]: Boogie Preprocessor took 31.92ms. Allocated memory is still 155.2MB. Free memory was 113.6MB in the beginning and 112.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:12:21,531 INFO L158 Benchmark]: RCFGBuilder took 253.19ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 102.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:12:21,531 INFO L158 Benchmark]: BuchiAutomizer took 959.38ms. Allocated memory is still 155.2MB. Free memory was 102.3MB in the beginning and 64.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-19 14:12:21,532 INFO L158 Benchmark]: Witness Printer took 39.76ms. Allocated memory is still 155.2MB. Free memory was 64.6MB in the beginning and 63.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:12:21,535 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 113.2MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.16ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 114.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.79ms. Allocated memory is still 155.2MB. Free memory was 114.9MB in the beginning and 113.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.92ms. Allocated memory is still 155.2MB. Free memory was 113.6MB in the beginning and 112.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 253.19ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 102.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 959.38ms. Allocated memory is still 155.2MB. Free memory was 102.3MB in the beginning and 64.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 39.76ms. Allocated memory is still 155.2MB. Free memory was 64.6MB in the beginning and 63.2MB in the end (delta: 1.4MB). 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 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 0.2s 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. [2024-11-19 14:12:21,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-19 14:12:21,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-19 14:12:21,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-19 14:12:21,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-19 14:12:21,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-11-19 14:12:21,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-11-19 14:12:21,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 Nontermination argument in form of an infinite execution State at position 0 is {x=-8, \result=0} State at position 1 is {x=-8, \result=0} For i>1, the state at position i is {x=-8 + sum_{k=0}^i -1, \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 1GEVs Lambdas: [5, 7, 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! [2024-11-19 14:12:21,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)