./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC --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 a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:56:00,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:56:00,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 22:56:00,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:56:00,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:56:00,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:56:00,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:56:00,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:56:00,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:56:00,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:56:00,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:56:00,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:56:00,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:56:00,304 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 22:56:00,305 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 22:56:00,305 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 22:56:00,305 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 22:56:00,305 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 22:56:00,306 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 22:56:00,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:56:00,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 22:56:00,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:56:00,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:56:00,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 22:56:00,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 22:56:00,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 22:56:00,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:56:00,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:56:00,307 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 22:56:00,307 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:56:00,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:56:00,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:56:00,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:56:00,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:56:00,308 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 22:56:00,308 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 22:56:00,308 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_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC 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 -> a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 [2024-11-23 22:56:00,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:56:00,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:56:00,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:56:00,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:56:00,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:56:00,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2024-11-23 22:56:04,332 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/data/bb00a4581/60f2d5bc807544518f00c9d5f698c5eb/FLAGeff93f8ee [2024-11-23 22:56:04,630 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:56:04,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2024-11-23 22:56:04,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/data/bb00a4581/60f2d5bc807544518f00c9d5f698c5eb/FLAGeff93f8ee [2024-11-23 22:56:04,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/data/bb00a4581/60f2d5bc807544518f00c9d5f698c5eb [2024-11-23 22:56:04,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:56:04,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:56:04,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:56:04,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:56:04,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:56:04,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:04,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630f0eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04, skipping insertion in model container [2024-11-23 22:56:04,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:04,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:56:04,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:56:04,917 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:56:04,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:56:04,951 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:56:04,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04 WrapperNode [2024-11-23 22:56:04,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:56:04,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:56:04,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:56:04,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:56:04,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:04,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:04,993 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-23 22:56:04,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:56:04,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:56:04,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:56:04,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:56:05,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,016 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 22:56:05,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,019 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:56:05,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:56:05,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:56:05,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:56:05,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (1/1) ... [2024-11-23 22:56:05,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:05,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:05,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:05,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 22:56:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:56:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:56:05,218 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:56:05,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:56:05,306 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-23 22:56:05,307 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:56:05,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:56:05,324 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:56:05,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:05 BoogieIcfgContainer [2024-11-23 22:56:05,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:56:05,325 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 22:56:05,325 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 22:56:05,332 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 22:56:05,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 22:56:05,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 10:56:04" (1/3) ... [2024-11-23 22:56:05,334 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cceed34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:56:05, skipping insertion in model container [2024-11-23 22:56:05,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 22:56:05,334 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:04" (2/3) ... [2024-11-23 22:56:05,335 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cceed34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:56:05, skipping insertion in model container [2024-11-23 22:56:05,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 22:56:05,335 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:05" (3/3) ... [2024-11-23 22:56:05,337 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-while2.c [2024-11-23 22:56:05,396 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 22:56:05,396 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 22:56:05,396 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 22:56:05,397 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 22:56:05,397 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 22:56:05,397 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 22:56:05,397 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 22:56:05,397 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 22:56:05,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-23 22:56:05,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-23 22:56:05,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 22:56:05,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 22:56:05,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 22:56:05,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 22:56:05,428 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 22:56:05,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-23 22:56:05,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-23 22:56:05,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 22:56:05,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 22:56:05,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 22:56:05,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 22:56:05,438 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1;" [2024-11-23 22:56:05,438 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 0;" "main_~j~0#1 := main_~N~0#1;" "assume !(main_~j~0#1 > 0);" "main_~i~0#1 := main_~i~0#1 - 1;" [2024-11-23 22:56:05,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:05,446 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 22:56:05,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:56:05,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529050346] [2024-11-23 22:56:05,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:05,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:05,538 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:56:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:05,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:56:05,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:05,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1174027, now seen corresponding path program 1 times [2024-11-23 22:56:05,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:56:05,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533798110] [2024-11-23 22:56:05,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:05,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:05,575 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:56:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:05,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:56:05,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:05,583 INFO L85 PathProgramCache]: Analyzing trace with hash 889601229, now seen corresponding path program 1 times [2024-11-23 22:56:05,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:56:05,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434272544] [2024-11-23 22:56:05,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:05,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:05,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 22:56:05,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434272544] [2024-11-23 22:56:05,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434272544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:56:05,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107712884] [2024-11-23 22:56:05,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:05,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:56:05,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:05,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:56:05,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:56:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:05,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:56:05,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:05,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:56:06,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107712884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:56:06,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:56:06,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-23 22:56:06,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740366682] [2024-11-23 22:56:06,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:56:06,144 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 22:56:06,145 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 22:56:06,145 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 22:56:06,145 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 22:56:06,145 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 22:56:06,145 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,146 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 22:56:06,146 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 22:56:06,146 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration1_Loop [2024-11-23 22:56:06,146 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 22:56:06,147 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 22:56:06,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,300 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 22:56:06,300 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 22:56:06,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,306 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-23 22:56:06,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:06,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:06,353 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 22:56:06,353 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: [] [2024-11-23 22:56:06,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:06,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:06,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:06,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 22:56:06,409 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 22:56:06,409 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: [] [2024-11-23 22:56:06,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:06,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 22:56:06,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:06,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:06,449 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 22:56:06,449 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~N~0#1=0} Honda state: {ULTIMATE.start_main_~N~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 22:56:06,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 22:56:06,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,458 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-23 22:56:06,463 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:06,463 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:06,479 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 22:56:06,479 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 22:56:06,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-23 22:56:06,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,495 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-23 22:56:06,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:06,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:06,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-23 22:56:06,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,525 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-23 22:56:06,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 22:56:06,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:06,569 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 22:56:06,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-23 22:56:06,575 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 22:56:06,575 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 22:56:06,575 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 22:56:06,575 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 22:56:06,576 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 22:56:06,576 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,576 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 22:56:06,576 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 22:56:06,576 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration1_Loop [2024-11-23 22:56:06,576 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 22:56:06,576 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 22:56:06,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:06,730 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 22:56:06,734 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 22:56:06,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,738 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-23 22:56:06,744 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 [2024-11-23 22:56:06,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 22:56:06,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 22:56:06,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 22:56:06,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 22:56:06,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 22:56:06,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 22:56:06,780 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 22:56:06,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:06,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,799 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-23 22:56:06,804 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 [2024-11-23 22:56:06,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 22:56:06,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 22:56:06,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 22:56:06,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 22:56:06,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 22:56:06,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 22:56:06,832 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 22:56:06,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-23 22:56:06,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,846 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-23 22:56:06,852 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 [2024-11-23 22:56:06,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 22:56:06,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 22:56:06,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 22:56:06,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 22:56:06,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 22:56:06,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 22:56:06,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 22:56:06,877 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 22:56:06,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-23 22:56:06,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,891 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-23 22:56:06,895 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 [2024-11-23 22:56:06,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 22:56:06,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 22:56:06,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 22:56:06,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 22:56:06,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 22:56:06,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 22:56:06,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 22:56:06,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 22:56:06,930 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 22:56:06,935 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 22:56:06,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:06,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:06,941 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:06,944 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 22:56:06,945 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 22:56:06,945 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 22:56:06,946 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-23 22:56:06,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-23 22:56:06,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-23 22:56:06,964 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 22:56:06,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:07,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:56:07,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:07,015 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:56:07,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:07,110 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 22:56:07,113 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-23 22:56:07,181 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 25 states and 35 transitions. Complement of second has 6 states. [2024-11-23 22:56:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 22:56:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-23 22:56:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2024-11-23 22:56:07,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-23 22:56:07,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:07,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-23 22:56:07,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:07,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-23 22:56:07,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:07,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 35 transitions. [2024-11-23 22:56:07,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 22:56:07,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 11 states and 14 transitions. [2024-11-23 22:56:07,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-23 22:56:07,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-23 22:56:07,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-23 22:56:07,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 22:56:07,219 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-23 22:56:07,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-23 22:56:07,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-23 22:56:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-23 22:56:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-11-23 22:56:07,251 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-23 22:56:07,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 22:56:07,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:56:07,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:56:07,256 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2024-11-23 22:56:07,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:07,394 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2024-11-23 22:56:07,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2024-11-23 22:56:07,396 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-23 22:56:07,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 28 transitions. [2024-11-23 22:56:07,399 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-23 22:56:07,399 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-23 22:56:07,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2024-11-23 22:56:07,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 22:56:07,400 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-11-23 22:56:07,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2024-11-23 22:56:07,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 12. [2024-11-23 22:56:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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) [2024-11-23 22:56:07,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-11-23 22:56:07,405 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-23 22:56:07,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 22:56:07,407 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-23 22:56:07,408 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 22:56:07,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-11-23 22:56:07,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 22:56:07,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 22:56:07,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 22:56:07,412 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-23 22:56:07,412 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 22:56:07,413 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1;" "assume main_~i~0#1 > 0;" "main_~j~0#1 := main_~N~0#1;" [2024-11-23 22:56:07,413 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 > 0;" "main_~j~0#1 := main_~j~0#1 - 1;" [2024-11-23 22:56:07,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:07,414 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-23 22:56:07,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:56:07,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873604569] [2024-11-23 22:56:07,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:07,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:07,420 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:56:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:07,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:56:07,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:07,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times [2024-11-23 22:56:07,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:56:07,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200834751] [2024-11-23 22:56:07,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:07,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:07,430 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:56:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:07,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:56:07,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:07,435 INFO L85 PathProgramCache]: Analyzing trace with hash 889601163, now seen corresponding path program 1 times [2024-11-23 22:56:07,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:56:07,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360777926] [2024-11-23 22:56:07,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:07,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:07,441 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:56:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:07,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:56:07,472 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 22:56:07,472 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 22:56:07,472 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 22:56:07,472 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 22:56:07,473 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 22:56:07,473 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:07,473 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 22:56:07,473 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 22:56:07,473 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration2_Loop [2024-11-23 22:56:07,473 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 22:56:07,473 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 22:56:07,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:07,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:07,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:07,544 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 22:56:07,545 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 22:56:07,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:07,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:07,547 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:07,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-23 22:56:07,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:07,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:07,582 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 22:56:07,582 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 22:56:07,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-23 22:56:07,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:07,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:07,597 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:07,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-23 22:56:07,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:07,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:07,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-23 22:56:07,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:07,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:07,625 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:07,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-23 22:56:07,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 22:56:07,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:07,667 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 22:56:07,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-23 22:56:07,670 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 22:56:07,671 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 22:56:07,671 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 22:56:07,671 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 22:56:07,671 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 22:56:07,671 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:07,671 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 22:56:07,671 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 22:56:07,671 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration2_Loop [2024-11-23 22:56:07,671 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 22:56:07,671 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 22:56:07,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:07,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:07,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:07,751 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 22:56:07,751 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 22:56:07,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:07,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:07,757 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:07,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-23 22:56:07,761 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 [2024-11-23 22:56:07,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 22:56:07,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 22:56:07,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 22:56:07,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 22:56:07,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 22:56:07,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 22:56:07,796 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 22:56:07,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-23 22:56:07,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:07,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:07,810 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:07,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-23 22:56:07,815 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 [2024-11-23 22:56:07,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 22:56:07,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 22:56:07,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 22:56:07,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 22:56:07,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 22:56:07,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 22:56:07,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 22:56:07,843 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 22:56:07,848 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-23 22:56:07,848 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 22:56:07,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:07,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:07,853 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:07,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-23 22:56:07,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 22:56:07,858 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 22:56:07,858 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 22:56:07,859 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-23 22:56:07,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:07,871 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 22:56:07,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:07,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:56:07,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:07,921 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:56:07,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:07,946 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 22:56:07,947 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-23 22:56:07,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 22 states and 28 transitions. Complement of second has 5 states. [2024-11-23 22:56:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 22:56:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-23 22:56:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-23 22:56:07,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-23 22:56:07,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:07,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-23 22:56:07,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:07,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-23 22:56:07,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:07,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2024-11-23 22:56:07,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 22:56:07,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 19 transitions. [2024-11-23 22:56:07,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-23 22:56:07,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-23 22:56:07,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2024-11-23 22:56:07,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 22:56:07,989 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-23 22:56:07,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2024-11-23 22:56:07,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2024-11-23 22:56:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 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) [2024-11-23 22:56:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2024-11-23 22:56:07,991 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-11-23 22:56:07,991 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-11-23 22:56:07,991 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 22:56:07,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2024-11-23 22:56:07,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 22:56:07,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 22:56:07,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 22:56:07,993 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:07,994 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 22:56:07,994 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1;" "assume main_~i~0#1 > 0;" "main_~j~0#1 := main_~N~0#1;" "assume main_~j~0#1 > 0;" "main_~j~0#1 := main_~j~0#1 - 1;" "assume !(main_~j~0#1 > 0);" "main_~i~0#1 := main_~i~0#1 - 1;" "assume main_~i~0#1 > 0;" "main_~j~0#1 := main_~N~0#1;" [2024-11-23 22:56:07,994 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 > 0;" "main_~j~0#1 := main_~j~0#1 - 1;" [2024-11-23 22:56:07,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:07,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1757906667, now seen corresponding path program 1 times [2024-11-23 22:56:07,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:56:07,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858096032] [2024-11-23 22:56:07,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:07,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:08,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 22:56:08,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858096032] [2024-11-23 22:56:08,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858096032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:56:08,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676579633] [2024-11-23 22:56:08,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:08,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:56:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:08,141 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:56:08,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-23 22:56:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:08,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 22:56:08,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:08,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:56:08,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-23 22:56:08,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-23 22:56:08,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676579633] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:56:08,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:56:08,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-23 22:56:08,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688677148] [2024-11-23 22:56:08,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:56:08,421 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-23 22:56:08,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:08,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 2 times [2024-11-23 22:56:08,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 22:56:08,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108475218] [2024-11-23 22:56:08,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:08,434 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:56:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:56:08,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 22:56:08,469 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 22:56:08,470 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 22:56:08,470 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 22:56:08,470 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 22:56:08,470 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 22:56:08,470 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:08,470 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 22:56:08,470 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 22:56:08,470 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration3_Loop [2024-11-23 22:56:08,470 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 22:56:08,470 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 22:56:08,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:08,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:08,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:08,537 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 22:56:08,537 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 22:56:08,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:08,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:08,539 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:08,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-23 22:56:08,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:08,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:08,575 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 22:56:08,575 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 22:56:08,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:08,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:08,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:08,590 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:08,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-23 22:56:08,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 22:56:08,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:08,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:08,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:08,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:08,630 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:08,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 22:56:08,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 22:56:08,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-23 22:56:08,674 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 22:56:08,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:08,679 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 22:56:08,679 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 22:56:08,679 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 22:56:08,679 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 22:56:08,680 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 22:56:08,680 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:08,680 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 22:56:08,680 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 22:56:08,680 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration3_Loop [2024-11-23 22:56:08,680 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 22:56:08,681 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 22:56:08,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:08,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:08,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 22:56:08,749 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 22:56:08,749 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 22:56:08,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:08,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:08,751 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:08,757 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 [2024-11-23 22:56:08,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-23 22:56:08,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 22:56:08,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 22:56:08,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 22:56:08,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 22:56:08,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 22:56:08,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 22:56:08,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 22:56:08,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:08,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:08,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:08,800 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:08,805 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 [2024-11-23 22:56:08,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-23 22:56:08,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 22:56:08,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 22:56:08,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 22:56:08,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 22:56:08,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 22:56:08,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 22:56:08,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 22:56:08,831 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 22:56:08,839 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 22:56:08,839 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 22:56:08,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 22:56:08,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:08,842 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:08,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-23 22:56:08,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 22:56:08,850 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 22:56:08,850 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 22:56:08,850 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-23 22:56:08,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:08,862 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 22:56:08,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:08,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:56:08,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:08,933 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:56:08,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:08,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:08,955 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 22:56:08,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-23 22:56:08,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 17 states and 21 transitions. Complement of second has 5 states. [2024-11-23 22:56:08,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 22:56:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-23 22:56:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-23 22:56:08,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-23 22:56:08,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:08,988 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 22:56:09,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:09,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:56:09,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:09,056 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:56:09,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:09,080 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 22:56:09,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-23 22:56:09,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 17 states and 21 transitions. Complement of second has 5 states. [2024-11-23 22:56:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 22:56:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-23 22:56:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-23 22:56:09,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-23 22:56:09,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:09,108 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 22:56:09,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:09,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:56:09,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:09,179 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:56:09,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:09,198 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 22:56:09,199 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-23 22:56:09,221 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 15 states and 19 transitions. Complement of second has 4 states. [2024-11-23 22:56:09,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 22:56:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-23 22:56:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-23 22:56:09,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-23 22:56:09,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:09,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2024-11-23 22:56:09,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:09,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-23 22:56:09,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 22:56:09,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-11-23 22:56:09,224 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 22:56:09,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-11-23 22:56:09,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 22:56:09,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 22:56:09,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 22:56:09,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 22:56:09,225 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:56:09,225 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:56:09,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 22:56:09,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 22:56:09,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-23 22:56:09,226 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 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) [2024-11-23 22:56:09,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:09,226 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-23 22:56:09,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-23 22:56:09,226 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 22:56:09,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:56:09,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 22:56:09,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 22:56:09,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 22:56:09,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 22:56:09,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:56:09,227 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:56:09,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:56:09,227 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:56:09,228 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 22:56:09,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:56:09,228 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 22:56:09,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 22:56:09,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 10:56:09 BoogieIcfgContainer [2024-11-23 22:56:09,239 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 22:56:09,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:56:09,239 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:56:09,239 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:56:09,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:05" (3/4) ... [2024-11-23 22:56:09,243 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:56:09,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:56:09,244 INFO L158 Benchmark]: Toolchain (without parser) took 4567.84ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 50.0MB in the end (delta: 33.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-23 22:56:09,245 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:56:09,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.39ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 73.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:56:09,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.28ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 72.6MB in the end (delta: 686.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:56:09,246 INFO L158 Benchmark]: Boogie Preprocessor took 37.21ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 71.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:56:09,246 INFO L158 Benchmark]: RCFGBuilder took 290.74ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 63.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:56:09,246 INFO L158 Benchmark]: BuchiAutomizer took 3913.35ms. Allocated memory is still 109.1MB. Free memory was 63.7MB in the beginning and 50.0MB in the end (delta: 13.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-23 22:56:09,247 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 109.1MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 12.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:56:09,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.39ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 73.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.28ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 72.6MB in the end (delta: 686.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.21ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 71.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 290.74ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 63.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3913.35ms. Allocated memory is still 109.1MB. Free memory was 63.7MB in the beginning and 50.0MB in the end (delta: 13.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 109.1MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 12.1kB). 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function j and consists of 3 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 29 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax210 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 22:56:09,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-23 22:56:09,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-23 22:56:09,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:56:09,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38d89e45-c47c-4541-b6ec-68ea74f8ba71/bin/uautomizer-verify-LYvppIcaGC/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