./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-02-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-02-false.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c6684a8ca2453ef662366f4da66fbb75d23a4edf014c7205fa9be4e6b0c90683 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:11:04,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:11:04,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:11:04,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:11:04,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:11:05,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:11:05,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:11:05,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:11:05,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:11:05,035 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:11:05,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:11:05,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:11:05,036 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:11:05,037 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:11:05,037 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:11:05,037 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:11:05,037 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:11:05,038 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:11:05,038 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:11:05,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:11:05,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:11:05,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:11:05,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:11:05,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:11:05,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:11:05,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:11:05,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:11:05,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:11:05,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:11:05,044 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:11:05,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:11:05,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:11:05,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:11:05,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:11:05,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:11:05,046 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:11:05,049 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6684a8ca2453ef662366f4da66fbb75d23a4edf014c7205fa9be4e6b0c90683 [2024-10-12 00:11:05,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:11:05,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:11:05,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:11:05,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:11:05,353 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:11:05,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-02-false.c [2024-10-12 00:11:06,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:11:07,138 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:11:07,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-02-false.c [2024-10-12 00:11:07,145 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/59e5912ab/fd6f3f0661624f0288ad4aa435f0903d/FLAG45b64ca7b [2024-10-12 00:11:07,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/59e5912ab/fd6f3f0661624f0288ad4aa435f0903d [2024-10-12 00:11:07,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:11:07,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:11:07,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:11:07,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:11:07,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:11:07,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c708bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07, skipping insertion in model container [2024-10-12 00:11:07,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:11:07,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:11:07,410 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:11:07,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:11:07,438 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:11:07,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07 WrapperNode [2024-10-12 00:11:07,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:11:07,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:11:07,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:11:07,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:11:07,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,471 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-10-12 00:11:07,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:11:07,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:11:07,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:11:07,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:11:07,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,492 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-12 00:11:07,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:11:07,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:11:07,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:11:07,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:11:07,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (1/1) ... [2024-10-12 00:11:07,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:07,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:07,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:11:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:11:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:11:07,649 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:11:07,651 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:11:07,779 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-12 00:11:07,780 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:11:07,799 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:11:07,799 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:11:07,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:11:07 BoogieIcfgContainer [2024-10-12 00:11:07,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:11:07,801 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:11:07,801 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:11:07,806 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:11:07,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:11:07,808 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:11:07" (1/3) ... [2024-10-12 00:11:07,809 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67a5da90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:11:07, skipping insertion in model container [2024-10-12 00:11:07,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:11:07,810 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:11:07" (2/3) ... [2024-10-12 00:11:07,810 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67a5da90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:11:07, skipping insertion in model container [2024-10-12 00:11:07,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:11:07,810 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:11:07" (3/3) ... [2024-10-12 00:11:07,812 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-02-false.c [2024-10-12 00:11:07,875 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:11:07,875 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:11:07,876 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:11:07,876 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:11:07,876 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:11:07,876 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:11:07,876 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:11:07,877 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:11:07,881 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) [2024-10-12 00:11:07,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:11:07,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:11:07,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:11:07,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:11:07,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:11:07,907 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:11:07,907 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) [2024-10-12 00:11:07,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:11:07,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:11:07,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:11:07,909 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:11:07,909 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:11:07,919 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_#t~post3#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := 16; 6#L18-2true [2024-10-12 00:11:07,919 INFO L747 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(0 == main_~x~0#1);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := main_#t~post1#1 - 1;havoc main_#t~post1#1; 4#L18true assume !(main_~x~0#1 >= 0);main_#t~post3#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 6#L18-2true [2024-10-12 00:11:07,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:11:07,928 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:11:07,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:11:07,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928965496] [2024-10-12 00:11:07,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:11:07,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:11:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:11:08,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:11:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:11:08,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:11:08,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:11:08,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1331, now seen corresponding path program 1 times [2024-10-12 00:11:08,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:11:08,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107563930] [2024-10-12 00:11:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:11:08,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:11:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:11:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:11:08,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:11:08,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107563930] [2024-10-12 00:11:08,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107563930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:11:08,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:11:08,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:11:08,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333111777] [2024-10-12 00:11:08,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:11:08,181 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 00:11:08,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:11:08,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:11:08,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:11:08,222 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:11:08,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:11:08,248 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2024-10-12 00:11:08,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2024-10-12 00:11:08,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:11:08,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 10 transitions. [2024-10-12 00:11:08,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-12 00:11:08,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:11:08,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2024-10-12 00:11:08,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:11:08,256 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-10-12 00:11:08,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2024-10-12 00:11:08,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-12 00:11:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:11:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-10-12 00:11:08,282 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-10-12 00:11:08,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:11:08,292 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-10-12 00:11:08,296 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:11:08,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2024-10-12 00:11:08,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-12 00:11:08,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:11:08,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:11:08,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:11:08,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:11:08,298 INFO L745 eck$LassoCheckResult]: Stem: 39#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 40#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~bitwise2#1, main_#t~post3#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := 16; 38#L18-2 [2024-10-12 00:11:08,298 INFO L747 eck$LassoCheckResult]: Loop: 38#L18-2 assume !!(0 == main_~x~0#1);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := main_#t~post1#1 - 1;havoc main_#t~post1#1; 36#L18 assume main_~x~0#1 >= 0; 37#L19 assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~bitwise2#1 := 0; 34#L19-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 38#L18-2 [2024-10-12 00:11:08,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:11:08,298 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-12 00:11:08,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:11:08,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288528985] [2024-10-12 00:11:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:11:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:11:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:11:08,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:11:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:11:08,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:11:08,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:11:08,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1265230, now seen corresponding path program 1 times [2024-10-12 00:11:08,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:11:08,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032436917] [2024-10-12 00:11:08,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:11:08,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:11:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:11:08,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:11:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:11:08,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:11:08,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:11:08,343 INFO L85 PathProgramCache]: Analyzing trace with hash 889692432, now seen corresponding path program 1 times [2024-10-12 00:11:08,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:11:08,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827673383] [2024-10-12 00:11:08,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:11:08,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:11:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:11:08,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:11:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:11:08,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:11:08,435 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:11:08,436 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:11:08,436 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:11:08,436 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:11:08,436 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:11:08,436 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,436 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:11:08,437 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:11:08,437 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-02-false.c_Iteration2_Loop [2024-10-12 00:11:08,437 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:11:08,437 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:11:08,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,527 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:11:08,527 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:11:08,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:08,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:08,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:11:08,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:08,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:08,555 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:08,556 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:11:08,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-12 00:11:08,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:08,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:08,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:11:08,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:08,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:08,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-12 00:11:08,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:08,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:08,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:11:08,650 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:11:08,650 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:08,686 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:08,687 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=2}, {ULTIMATE.start_main_~a~0#1=-3}, {ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 1, 0] Nus: [0, 1] [2024-10-12 00:11:08,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-12 00:11:08,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:08,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:08,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:11:08,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:08,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:08,736 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:08,736 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:11:08,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:11:08,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:08,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:08,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:11:08,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:08,760 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:08,780 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:08,780 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:11:08,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-12 00:11:08,803 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:11:08,803 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:11:08,803 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:11:08,803 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:11:08,803 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:11:08,803 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,803 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:11:08,803 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:11:08,803 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-02-false.c_Iteration2_Lasso [2024-10-12 00:11:08,803 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:11:08,803 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:11:08,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:11:08,920 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:11:08,921 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:11:08,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:08,925 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:08,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:08,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:08,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:11:08,951 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:08,952 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:11:08,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-12 00:11:08,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:08,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:08,975 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:08,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:11:08,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:08,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:09,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-12 00:11:09,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:09,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:09,014 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:09,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:11:09,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:11:09,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:09,055 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:09,055 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=16} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=2}, {ULTIMATE.start_main_~a~0#1=-3}, {ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 1, 0] Nus: [0, 1] [2024-10-12 00:11:09,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-12 00:11:09,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:09,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:09,075 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:09,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:11:09,078 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:09,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:09,093 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:09,093 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: [] [2024-10-12 00:11:09,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-12 00:11:09,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:09,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:09,110 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:09,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:11:09,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:09,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:09,129 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:09,130 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:11:09,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-12 00:11:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:09,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:09,146 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:09,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:11:09,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:09,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:09,165 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:09,165 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:11:09,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-12 00:11:09,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:09,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:09,186 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:09,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:11:09,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:09,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:09,204 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:09,204 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:11:09,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:11:09,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:11:09,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:11:09,223 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:11:09,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:11:09,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:11:09,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:11:09,241 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:11:09,241 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: [] [2024-10-12 00:11:09,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-12 00:11:09,281 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,282 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,283 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,283 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 [2024-10-12 00:11:09,283 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,284 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,284 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,284 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 [2024-10-12 00:11:09,284 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,285 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,285 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,285 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 [2024-10-12 00:11:09,288 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:11:09,289 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:11:09,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:11:09 BoogieIcfgContainer [2024-10-12 00:11:09,290 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:11:09,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:11:09,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:11:09,293 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:11:09,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:11:07" (3/4) ... [2024-10-12 00:11:09,296 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-12 00:11:09,298 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:11:09,298 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:11:09,331 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 00:11:09,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:11:09,332 INFO L158 Benchmark]: Toolchain (without parser) took 2164.26ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 91.1MB in the beginning and 141.7MB in the end (delta: -50.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:11:09,332 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 96.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:11:09,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.03ms. Allocated memory is still 155.2MB. Free memory was 90.9MB in the beginning and 119.0MB in the end (delta: -28.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-12 00:11:09,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.12ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 118.1MB in the end (delta: 897.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:11:09,333 INFO L158 Benchmark]: Boogie Preprocessor took 37.33ms. Allocated memory is still 155.2MB. Free memory was 118.1MB in the beginning and 116.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:11:09,333 INFO L158 Benchmark]: RCFGBuilder took 288.50ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 106.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-12 00:11:09,334 INFO L158 Benchmark]: BuchiAutomizer took 1489.33ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 144.3MB in the end (delta: -37.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-10-12 00:11:09,341 INFO L158 Benchmark]: Witness Printer took 38.74ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 141.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:11:09,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 96.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.03ms. Allocated memory is still 155.2MB. Free memory was 90.9MB in the beginning and 119.0MB in the end (delta: -28.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.12ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 118.1MB in the end (delta: 897.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.33ms. Allocated memory is still 155.2MB. Free memory was 118.1MB in the beginning and 116.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.50ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 106.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1489.33ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 144.3MB in the end (delta: -37.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 38.74ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 141.7MB in the end (delta: 2.6MB). 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~post3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~bitwise2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~bitwise2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~bitwise2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post1 - 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 Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq212 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 16]: Nontermination argument in form of an infinite program execution. [2024-10-12 00:11:09,351 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,351 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,351 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,352 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 [2024-10-12 00:11:09,352 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,352 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,352 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,352 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 [2024-10-12 00:11:09,353 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,353 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,353 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,353 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 [2024-10-12 00:11:09,354 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,354 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,354 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,354 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 [2024-10-12 00:11:09,354 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,355 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,355 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,355 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 [2024-10-12 00:11:09,355 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-10-12 00:11:09,355 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~bitwise2 [2024-10-12 00:11:09,356 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2024-10-12 00:11:09,356 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post1 Nontermination argument in form of an infinite execution State at position 0 is {x=0, a=0, \result=0} State at position 1 is {x=0, a=16, \result=0} For i>1, the state at position i is {x=0 + sum_{k=0}^i 0, a=16 + sum_{k=0}^i 2 + -3, \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [1, 1, 0] Mus: [0, 1] - NonterminatingLassoResult [Line: 16]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int a; [L13] int x; [L14] x = __VERIFIER_nondet_int() [L15] a = 16 Loop: [L16] COND TRUE x==0 [L17] a-- [L18] COND TRUE x >= 0 [L19] EXPR x&a [L19] x = x&a End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-12 00:11:09,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)