./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/termination.prp --file ../../../trunk/examples/svcomp/termination-bwb/and-01-false.c --full-output --cacsl2boogietranslator.use.bitabs.translation true --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 514d202d 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 ../../../trunk/examples/svcomp/termination-bwb/and-01-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 fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac --cacsl2boogietranslator.use.bitabs.translation true --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-514d202-m [2024-02-09 14:17:36,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 14:17:36,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-02-09 14:17:36,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 14:17:36,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 14:17:36,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 14:17:36,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 14:17:36,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 14:17:36,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-09 14:17:36,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-09 14:17:36,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 14:17:36,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 14:17:36,448 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 14:17:36,450 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 14:17:36,450 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 14:17:36,450 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 14:17:36,450 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 14:17:36,452 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 14:17:36,452 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 14:17:36,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 14:17:36,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 14:17:36,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 14:17:36,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 14:17:36,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 14:17:36,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 14:17:36,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 14:17:36,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-09 14:17:36,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 14:17:36,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 14:17:36,455 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 14:17:36,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 14:17:36,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 14:17:36,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 14:17:36,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 14:17:36,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 14:17:36,458 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 14:17:36,458 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2024-02-09 14:17:36,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 14:17:36,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 14:17:36,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 14:17:36,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-09 14:17:36,783 INFO L274 PluginConnector]: CDTParser initialized [2024-02-09 14:17:36,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-bwb/and-01-false.c [2024-02-09 14:17:37,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-09 14:17:38,219 INFO L384 CDTParser]: Found 1 translation units. [2024-02-09 14:17:38,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-bwb/and-01-false.c [2024-02-09 14:17:38,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a890674c/eeabf04dbc334396accc5a823da118b5/FLAG54ea78f07 [2024-02-09 14:17:38,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a890674c/eeabf04dbc334396accc5a823da118b5 [2024-02-09 14:17:38,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 14:17:38,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-09 14:17:38,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-09 14:17:38,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-09 14:17:38,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-09 14:17:38,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a236916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38, skipping insertion in model container [2024-02-09 14:17:38,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-09 14:17:38,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:17:38,450 INFO L202 MainTranslator]: Completed pre-run [2024-02-09 14:17:38,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:17:38,477 INFO L206 MainTranslator]: Completed translation [2024-02-09 14:17:38,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38 WrapperNode [2024-02-09 14:17:38,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-09 14:17:38,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 14:17:38,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 14:17:38,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 14:17:38,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,508 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-02-09 14:17:38,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 14:17:38,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 14:17:38,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 14:17:38,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 14:17:38,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,530 INFO L175 MemorySlicer]: No memory access in input program. [2024-02-09 14:17:38,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 14:17:38,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 14:17:38,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 14:17:38,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 14:17:38,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (1/1) ... [2024-02-09 14:17:38,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:38,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:38,585 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) [2024-02-09 14:17:38,609 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 [2024-02-09 14:17:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 14:17:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 14:17:38,687 INFO L241 CfgBuilder]: Building ICFG [2024-02-09 14:17:38,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 14:17:38,813 INFO L282 CfgBuilder]: Performing block encoding [2024-02-09 14:17:38,822 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 14:17:38,823 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 14:17:38,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:38 BoogieIcfgContainer [2024-02-09 14:17:38,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 14:17:38,824 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 14:17:38,825 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 14:17:38,828 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 14:17:38,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:38,830 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.02 02:17:38" (1/3) ... [2024-02-09 14:17:38,831 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@235c9caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:17:38, skipping insertion in model container [2024-02-09 14:17:38,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:38,832 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:17:38" (2/3) ... [2024-02-09 14:17:38,834 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@235c9caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:17:38, skipping insertion in model container [2024-02-09 14:17:38,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:17:38,834 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:38" (3/3) ... [2024-02-09 14:17:38,836 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-01-false.c [2024-02-09 14:17:38,896 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 14:17:38,897 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 14:17:38,897 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 14:17:38,897 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 14:17:38,898 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 14:17:38,898 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 14:17:38,898 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 14:17:38,898 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 14:17:38,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2024-02-09 14:17:38,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:38,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:38,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:38,925 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:17:38,925 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 14:17:38,926 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 14:17:38,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2024-02-09 14:17:38,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-02-09 14:17:38,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:17:38,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:17:38,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:17:38,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 14:17:38,937 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~nondet2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := 34; 9#L16-2true [2024-02-09 14:17:38,938 INFO L750 eck$LassoCheckResult]: Loop: 9#L16-2true 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; 3#L18true assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~nondet2#1 := 0; 6#L18-4true main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9#L16-2true [2024-02-09 14:17:38,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:38,944 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-02-09 14:17:38,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:38,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842464834] [2024-02-09 14:17:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:38,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:39,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:39,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:39,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:39,057 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2024-02-09 14:17:39,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:39,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449626030] [2024-02-09 14:17:39,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:39,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:39,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:39,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:39,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:17:39,117 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2024-02-09 14:17:39,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:17:39,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881258238] [2024-02-09 14:17:39,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:17:39,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:17:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:39,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:17:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:17:39,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:17:39,297 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:39,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:39,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:39,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:39,299 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:39,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:39,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:39,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Loop [2024-02-09 14:17:39,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:39,301 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:39,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,404 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:39,404 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:39,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,415 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) [2024-02-09 14:17:39,417 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 [2024-02-09 14:17:39,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:39,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:39,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,475 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) [2024-02-09 14:17:39,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:39,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,504 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 [2024-02-09 14:17:39,512 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:39,513 INFO L440 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=-6}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=6}] Lambdas: [1, 7, 1] Nus: [0, 1] [2024-02-09 14:17:39,522 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 [2024-02-09 14:17:39,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,524 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) [2024-02-09 14:17:39,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:39,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,540 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 [2024-02-09 14:17:39,553 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:39,553 INFO L440 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: [] [2024-02-09 14:17:39,560 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 [2024-02-09 14:17:39,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,562 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) [2024-02-09 14:17:39,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:39,568 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,578 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 [2024-02-09 14:17:39,592 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:39,592 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:17:39,600 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 [2024-02-09 14:17:39,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,689 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) [2024-02-09 14:17:39,695 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 [2024-02-09 14:17:39,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:39,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:39,719 INFO L440 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: [] [2024-02-09 14:17:39,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:39,733 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:17:39,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:17:39,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:17:39,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:17:39,734 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:17:39,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:17:39,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:17:39,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Lasso [2024-02-09 14:17:39,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:17:39,735 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:17:39,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:17:39,831 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:17:39,831 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:17:39,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,837 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) [2024-02-09 14:17:39,844 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:39,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,855 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 [2024-02-09 14:17:39,864 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:39,865 INFO L440 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: [] [2024-02-09 14:17:39,871 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 [2024-02-09 14:17:39,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,874 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) [2024-02-09 14:17:39,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:39,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,888 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 [2024-02-09 14:17:39,900 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:39,900 INFO L440 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: [] [2024-02-09 14:17:39,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:39,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,908 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 14:17:39,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:39,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-02-09 14:17:39,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:39,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,943 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-02-09 14:17:39,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-02-09 14:17:39,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:17:39,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:39,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:39,975 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=34} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-6}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=6}] Lambdas: [1, 7, 1] Nus: [0, 1] [2024-02-09 14:17:39,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:39,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:39,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:39,979 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 14:17:39,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-02-09 14:17:40,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:40,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:40,046 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:40,046 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:17:40,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:40,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,055 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 14:17:40,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-02-09 14:17:40,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:40,058 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:40,073 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:40,073 INFO L440 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: [] [2024-02-09 14:17:40,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:40,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:17:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:17:40,078 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 14:17:40,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-02-09 14:17:40,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:17:40,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:17:40,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:17:40,092 INFO L440 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: [] [2024-02-09 14:17:40,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-02-09 14:17:40,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 02:17:40 BoogieIcfgContainer [2024-02-09 14:17:40,121 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 14:17:40,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-09 14:17:40,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-09 14:17:40,122 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-09 14:17:40,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:38" (3/4) ... [2024-02-09 14:17:40,124 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2024-02-09 14:17:40,154 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-02-09 14:17:40,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-09 14:17:40,156 INFO L158 Benchmark]: Toolchain (without parser) took 1900.58ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 87.8MB in the beginning and 139.2MB in the end (delta: -51.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:40,157 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:40,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.18ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 77.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-02-09 14:17:40,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.34ms. Allocated memory is still 159.4MB. Free memory was 77.7MB in the beginning and 76.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:40,158 INFO L158 Benchmark]: Boogie Preprocessor took 35.63ms. Allocated memory is still 159.4MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:17:40,159 INFO L158 Benchmark]: RCFGBuilder took 277.47ms. Allocated memory is still 159.4MB. Free memory was 75.0MB in the beginning and 65.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-02-09 14:17:40,159 INFO L158 Benchmark]: BuchiAutomizer took 1296.26ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 65.5MB in the beginning and 141.3MB in the end (delta: -75.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:17:40,160 INFO L158 Benchmark]: Witness Printer took 33.57ms. Allocated memory is still 205.5MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:17:40,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.18ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 77.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.34ms. Allocated memory is still 159.4MB. Free memory was 77.7MB in the beginning and 76.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.63ms. Allocated memory is still 159.4MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.47ms. Allocated memory is still 159.4MB. Free memory was 75.0MB in the beginning and 65.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1296.26ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 65.5MB in the beginning and 141.3MB in the end (delta: -75.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.57ms. Allocated memory is still 205.5MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 1.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq212 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 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. 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=34, \result=0} For i>1, the state at position i is {x=0 + sum_{k=0}^i 0, a=34 + sum_{k=0}^i -6 + -1*7^k + 6 + 6*k*7^(k-1), \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 7, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 16]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int a, x; [L14] x = __VERIFIER_nondet_int() [L15] a = 34 Loop: [L16] COND TRUE x==0 [L17] a-- [L18] EXPR x&a [L18] x=x&a End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-02-09 14:17:40,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)