./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB --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 ecd53fc1983ec7221b54e3467b23316f260ef4286a86531362dd236dd661ea1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:27,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:27,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-27 19:50:27,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:27,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:27,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:27,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:27,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:27,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:50:27,377 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:50:27,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:27,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:27,379 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:27,379 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 19:50:27,379 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 19:50:27,380 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 19:50:27,380 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 19:50:27,380 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 19:50:27,380 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 19:50:27,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:27,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 19:50:27,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:27,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:27,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 19:50:27,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 19:50:27,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 19:50:27,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:50:27,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:27,382 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 19:50:27,382 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:27,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:27,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:27,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:27,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:27,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 19:50:27,382 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 19:50:27,383 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB 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 -> ecd53fc1983ec7221b54e3467b23316f260ef4286a86531362dd236dd661ea1a [2024-11-27 19:50:27,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:27,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:27,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:27,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:27,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:27,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c [2024-11-27 19:50:30,897 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/data/9d88fcad9/bb6f42986fb242a0a7c0d130b3aabd70/FLAGa8e8cb86f [2024-11-27 19:50:31,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:31,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/sv-benchmarks/c/termination-restricted-15/b.09_assume.c [2024-11-27 19:50:31,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/data/9d88fcad9/bb6f42986fb242a0a7c0d130b3aabd70/FLAGa8e8cb86f [2024-11-27 19:50:31,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/data/9d88fcad9/bb6f42986fb242a0a7c0d130b3aabd70 [2024-11-27 19:50:31,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:31,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:31,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:31,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:31,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:31,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632b92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31, skipping insertion in model container [2024-11-27 19:50:31,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:31,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:31,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:31,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:31,445 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:31,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31 WrapperNode [2024-11-27 19:50:31,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:31,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:31,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:31,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:31,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,476 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-11-27 19:50:31,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:31,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:31,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:31,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:31,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,495 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 19:50:31,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:31,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:31,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:31,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:31,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (1/1) ... [2024-11-27 19:50:31,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:31,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:31,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:31,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:31,664 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:31,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:31,754 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-27 19:50:31,754 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:31,765 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:31,768 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 19:50:31,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:31 BoogieIcfgContainer [2024-11-27 19:50:31,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:31,770 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 19:50:31,770 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 19:50:31,778 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 19:50:31,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 19:50:31,779 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 07:50:31" (1/3) ... [2024-11-27 19:50:31,780 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c497f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 07:50:31, skipping insertion in model container [2024-11-27 19:50:31,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 19:50:31,781 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:31" (2/3) ... [2024-11-27 19:50:31,781 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c497f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 07:50:31, skipping insertion in model container [2024-11-27 19:50:31,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 19:50:31,782 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:31" (3/3) ... [2024-11-27 19:50:31,783 INFO L363 chiAutomizerObserver]: Analyzing ICFG b.09_assume.c [2024-11-27 19:50:31,865 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 19:50:31,866 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 19:50:31,866 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 19:50:31,866 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 19:50:31,866 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 19:50:31,867 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 19:50:31,867 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 19:50:31,867 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 19:50:31,873 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) [2024-11-27 19:50:31,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 19:50:31,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 19:50:31,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 19:50:31,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-27 19:50:31,898 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 19:50:31,898 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 19:50:31,899 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) [2024-11-27 19:50:31,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 19:50:31,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 19:50:31,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 19:50:31,901 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-27 19:50:31,901 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 19:50:31,908 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0;" "assume main_~y~0#1 > 0;" [2024-11-27 19:50:31,908 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;" "assume main_~x~0#1 > main_~y~0#1;main_~x~0#1 := main_~y~0#1;" "main_~c~0#1 := 1 + main_~c~0#1;" [2024-11-27 19:50:31,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:31,915 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-27 19:50:31,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:31,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436204328] [2024-11-27 19:50:31,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:31,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:32,015 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:50:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:32,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 19:50:32,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash 40910, now seen corresponding path program 1 times [2024-11-27 19:50:32,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:32,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491048936] [2024-11-27 19:50:32,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:32,061 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:50:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:32,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 19:50:32,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:32,073 INFO L85 PathProgramCache]: Analyzing trace with hash 889510797, now seen corresponding path program 1 times [2024-11-27 19:50:32,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:32,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415597749] [2024-11-27 19:50:32,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:32,089 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:50:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:32,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 19:50:32,230 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 19:50:32,231 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 19:50:32,231 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 19:50:32,231 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 19:50:32,231 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 19:50:32,233 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,233 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 19:50:32,233 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 19:50:32,233 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.09_assume.c_Iteration1_Loop [2024-11-27 19:50:32,233 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 19:50:32,234 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 19:50:32,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:32,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:32,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:32,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:32,407 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 19:50:32,408 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 19:50:32,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:32,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:32,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 19:50:32,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:32,418 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:32,448 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:32,448 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:32,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-27 19:50:32,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:32,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:32,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 19:50:32,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:32,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:32,493 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:32,494 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:32,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-27 19:50:32,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:32,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:32,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 19:50:32,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:32,513 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:32,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-27 19:50:32,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:32,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:32,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 19:50:32,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 19:50:32,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:32,686 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 19:50:32,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-27 19:50:32,690 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 19:50:32,690 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 19:50:32,690 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 19:50:32,690 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 19:50:32,691 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 19:50:32,691 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,691 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 19:50:32,691 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 19:50:32,691 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.09_assume.c_Iteration1_Loop [2024-11-27 19:50:32,691 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 19:50:32,691 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 19:50:32,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:32,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:32,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:32,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:32,808 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 19:50:32,813 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 19:50:32,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:32,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:32,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 19:50:32,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:32,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:32,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:32,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:32,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:32,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 19:50:32,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 19:50:32,859 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:32,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-27 19:50:32,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:32,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:32,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 19:50:32,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:32,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:32,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:32,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:32,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:32,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:32,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:32,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:32,903 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 19:50:32,914 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-27 19:50:32,918 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-27 19:50:32,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:32,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:32,925 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:32,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 19:50:32,928 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 19:50:32,929 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 19:50:32,929 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 19:50:32,929 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-27 19:50:32,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 19:50:32,943 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 19:50:32,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:32,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:50:32,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:33,019 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:50:33,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:33,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-27 19:50:33,191 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-27 19:50:33,193 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:33,266 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First 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). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) Result 23 states and 26 transitions. Complement of second has 8 states. [2024-11-27 19:50:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-27 19:50:33,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2024-11-27 19:50:33,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-27 19:50:33,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:33,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-27 19:50:33,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:33,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-27 19:50:33,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:33,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2024-11-27 19:50:33,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 19:50:33,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-11-27 19:50:33,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 19:50:33,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 19:50:33,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 19:50:33,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 19:50:33,296 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:33,296 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:33,296 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:33,297 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 19:50:33,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 19:50:33,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 19:50:33,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 19:50:33,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 07:50:33 BoogieIcfgContainer [2024-11-27 19:50:33,309 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 19:50:33,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:50:33,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:50:33,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:50:33,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:31" (3/4) ... [2024-11-27 19:50:33,313 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 19:50:33,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:50:33,315 INFO L158 Benchmark]: Toolchain (without parser) took 2099.16ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 86.7MB in the end (delta: 6.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-27 19:50:33,317 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:33,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.07ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:33,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.63ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.4MB in the end (delta: 797.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:33,320 INFO L158 Benchmark]: Boogie Preprocessor took 30.86ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:33,320 INFO L158 Benchmark]: RCFGBuilder took 255.14ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 73.2MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:33,320 INFO L158 Benchmark]: BuchiAutomizer took 1539.12ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 86.7MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:33,320 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 86.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:33,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.07ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.63ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.4MB in the end (delta: 797.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.86ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.14ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 73.2MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1539.12ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 86.7MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 86.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq130 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 19:50:33,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9556fed-80d9-4670-84e5-b7510ee07ccf/bin/uautomizer-verify-aQ6SnzHsRB/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 Result: TRUE