./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-04-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-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-mul-div-a046e57-m [2024-10-13 16:54:43,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:54:43,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-13 16:54:43,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:54:43,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:54:43,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:54:43,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:54:43,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:54:43,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:54:43,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:54:43,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:54:43,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:54:43,401 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:54:43,401 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 16:54:43,402 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 16:54:43,402 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 16:54:43,402 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 16:54:43,403 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 16:54:43,403 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 16:54:43,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:54:43,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 16:54:43,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:54:43,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:54:43,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 16:54:43,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 16:54:43,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 16:54:43,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:54:43,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:54:43,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:54:43,407 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 16:54:43,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:54:43,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:54:43,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:54:43,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:54:43,408 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:54:43,409 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 16:54:43,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f308da08c261d59eb95c200bdea9061877e2637c8f9041803c89ef49e63b8c52 [2024-10-13 16:54:43,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:54:43,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:54:43,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:54:43,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:54:43,676 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:54:43,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-04-false.c [2024-10-13 16:54:45,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:54:45,272 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:54:45,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-04-false.c [2024-10-13 16:54:45,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f03605de9/cb0a09fa84654872914a80a63e319397/FLAG88355929b [2024-10-13 16:54:45,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f03605de9/cb0a09fa84654872914a80a63e319397 [2024-10-13 16:54:45,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:54:45,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:54:45,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:54:45,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:54:45,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:54:45,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145e5041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45, skipping insertion in model container [2024-10-13 16:54:45,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:54:45,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:54:45,889 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:54:45,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:54:45,913 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:54:45,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45 WrapperNode [2024-10-13 16:54:45,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:54:45,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:54:45,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:54:45,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:54:45,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,939 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-10-13 16:54:45,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:54:45,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:54:45,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:54:45,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:54:45,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,955 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:54:45,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:54:45,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:54:45,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:54:45,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:54:45,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (1/1) ... [2024-10-13 16:54:45,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:45,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:54:46,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:54:46,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-13 16:54:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:54:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:54:46,121 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:54:46,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:54:46,236 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-13 16:54:46,236 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:54:46,249 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:54:46,250 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 16:54:46,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:54:46 BoogieIcfgContainer [2024-10-13 16:54:46,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:54:46,251 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 16:54:46,251 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 16:54:46,261 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 16:54:46,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:54:46,262 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 04:54:45" (1/3) ... [2024-10-13 16:54:46,263 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@438d3a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:54:46, skipping insertion in model container [2024-10-13 16:54:46,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:54:46,264 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:45" (2/3) ... [2024-10-13 16:54:46,264 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@438d3a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:54:46, skipping insertion in model container [2024-10-13 16:54:46,265 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:54:46,265 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:54:46" (3/3) ... [2024-10-13 16:54:46,266 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-04-false.c [2024-10-13 16:54:46,324 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 16:54:46,324 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 16:54:46,325 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 16:54:46,325 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 16:54:46,325 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 16:54:46,326 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 16:54:46,326 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 16:54:46,326 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 16:54:46,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:54:46,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-13 16:54:46,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:54:46,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:54:46,357 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 16:54:46,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 16:54:46,358 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 16:54:46,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:54:46,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-13 16:54:46,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:54:46,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:54:46,361 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 16:54:46,361 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 16:54:46,368 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~bitwise1#1, main_~x~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L16-2true [2024-10-13 16:54:46,369 INFO L747 eck$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 [2024-10-13 16:54:46,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:54:46,376 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 16:54:46,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:54:46,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039881898] [2024-10-13 16:54:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:54:46,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:54:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:54:46,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:54:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:54:46,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:54:46,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:54:46,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1331, now seen corresponding path program 1 times [2024-10-13 16:54:46,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:54:46,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728097200] [2024-10-13 16:54:46,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:54:46,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:54:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:54:46,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:54:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:54:46,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:54:46,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:54:46,505 INFO L85 PathProgramCache]: Analyzing trace with hash 925813, now seen corresponding path program 1 times [2024-10-13 16:54:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:54:46,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983745025] [2024-10-13 16:54:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:54:46,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:54:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:54:46,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:54:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:54:46,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:54:46,588 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:54:46,589 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:54:46,589 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:54:46,589 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:54:46,590 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:54:46,590 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:46,590 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:54:46,590 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:54:46,590 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-04-false.c_Iteration1_Loop [2024-10-13 16:54:46,591 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:54:46,591 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:54:46,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:54:46,686 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:54:46,687 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:54:46,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:54:46,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:54:46,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-13 16:54:46,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:54:46,692 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:54:46,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-13 16:54:46,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:46,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:54:46,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:54:46,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-13 16:54:46,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:54:46,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:54:46,766 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:54:46,766 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] [2024-10-13 16:54:46,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-13 16:54:46,788 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:54:46,789 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:54:46,789 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:54:46,789 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:54:46,789 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:54:46,790 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:46,790 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:54:46,790 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:54:46,790 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-04-false.c_Iteration1_Lasso [2024-10-13 16:54:46,790 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:54:46,790 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:54:46,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:54:46,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:54:46,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:54:46,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:54:46,899 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:54:46,899 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:54:46,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:46,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:54:46,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:54:46,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-13 16:54:46,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:54:46,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:54:46,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-13 16:54:46,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:54:46,929 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:54:46,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-13 16:54:46,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:54:46,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:54:46,960 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:54:46,961 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] [2024-10-13 16:54:46,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-13 16:54:46,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:46,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:54:46,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:54:46,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-13 16:54:46,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:54:46,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:54:46,991 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:54:46,991 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: [] [2024-10-13 16:54:47,006 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 [2024-10-13 16:54:47,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:54:47,011 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:54:47,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-13 16:54:47,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:54:47,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:54:47,031 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:54:47,032 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: [] [2024-10-13 16:54:47,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-13 16:54:47,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:54:47,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:54:47,046 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:54:47,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-13 16:54:47,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:54:47,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:54:47,060 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:54:47,061 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: [] [2024-10-13 16:54:47,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-13 16:54:47,084 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,085 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-13 16:54:47,085 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,085 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-13 16:54:47,085 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,086 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-13 16:54:47,088 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-13 16:54:47,088 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-13 16:54:47,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 04:54:47 BoogieIcfgContainer [2024-10-13 16:54:47,088 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 16:54:47,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:54:47,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:54:47,089 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:54:47,090 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:54:46" (3/4) ... [2024-10-13 16:54:47,092 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 16:54:47,093 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-13 16:54:47,093 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-13 16:54:47,128 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:54:47,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:54:47,131 INFO L158 Benchmark]: Toolchain (without parser) took 1421.28ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 56.2MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-13 16:54:47,131 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 172.0MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:54:47,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.51ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 108.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 16:54:47,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.18ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 107.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:54:47,134 INFO L158 Benchmark]: Boogie Preprocessor took 27.27ms. Allocated memory is still 172.0MB. Free memory was 107.4MB in the beginning and 106.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:54:47,135 INFO L158 Benchmark]: RCFGBuilder took 280.63ms. Allocated memory is still 172.0MB. Free memory was 106.0MB in the beginning and 96.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 16:54:47,136 INFO L158 Benchmark]: BuchiAutomizer took 837.72ms. Allocated memory is still 172.0MB. Free memory was 96.1MB in the beginning and 58.1MB in the end (delta: 38.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-13 16:54:47,139 INFO L158 Benchmark]: Witness Printer took 39.18ms. Allocated memory is still 172.0MB. Free memory was 58.1MB in the beginning and 56.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:54:47,141 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 172.0MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.51ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 108.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.18ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 107.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.27ms. Allocated memory is still 172.0MB. Free memory was 107.4MB in the beginning and 106.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.63ms. Allocated memory is still 172.0MB. Free memory was 106.0MB in the beginning and 96.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 837.72ms. Allocated memory is still 172.0MB. Free memory was 96.1MB in the beginning and 58.1MB in the end (delta: 38.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 39.18ms. Allocated memory is still 172.0MB. Free memory was 58.1MB in the beginning and 56.2MB in the end (delta: 1.9MB). 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. [2024-10-13 16:54:47,150 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,150 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-13 16:54:47,151 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,151 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-13 16:54:47,151 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,151 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-13 16:54:47,151 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,151 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-13 16:54:47,152 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,152 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-13 16:54:47,152 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise1 [2024-10-13 16:54:47,152 WARN L953 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! [2024-10-13 16:54:47,171 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)