./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.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_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/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_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/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_0685b26b-da99-4f42-be29-9f8a9628eb59/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 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:06:10,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:06:10,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-24 00:06:10,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:06:10,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:06:10,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:06:10,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:06:10,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:06:10,305 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:06:10,305 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:06:10,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:06:10,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:06:10,306 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:06:10,306 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:06:10,307 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:06:10,307 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:06:10,307 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:06:10,307 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:06:10,307 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:06:10,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:06:10,308 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:06:10,309 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:06:10,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:06:10,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:06:10,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:06:10,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:06:10,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:06:10,310 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:06:10,310 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_0685b26b-da99-4f42-be29-9f8a9628eb59/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 -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2024-11-24 00:06:10,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:06:10,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:06:10,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:06:10,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:06:10,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:06:10,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2024-11-24 00:06:14,386 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/data/ece65f825/bba66a8370b241fc97a9386c0ca6f666/FLAGfef764542 [2024-11-24 00:06:14,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:06:14,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2024-11-24 00:06:14,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/data/ece65f825/bba66a8370b241fc97a9386c0ca6f666/FLAGfef764542 [2024-11-24 00:06:14,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/data/ece65f825/bba66a8370b241fc97a9386c0ca6f666 [2024-11-24 00:06:14,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:06:14,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:06:14,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:06:14,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:06:14,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:06:14,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:06:14" (1/1) ... [2024-11-24 00:06:14,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d265f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:14, skipping insertion in model container [2024-11-24 00:06:14,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:06:14" (1/1) ... [2024-11-24 00:06:14,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:06:15,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:06:15,164 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:06:15,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:06:15,194 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:06:15,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15 WrapperNode [2024-11-24 00:06:15,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:06:15,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:06:15,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:06:15,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:06:15,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,228 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-24 00:06:15,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:06:15,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:06:15,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:06:15,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:06:15,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,242 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,250 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 00:06:15,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,252 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:06:15,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:06:15,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:06:15,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:06:15,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (1/1) ... [2024-11-24 00:06:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:15,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:15,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:15,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:06:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:06:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:06:15,451 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:06:15,453 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:06:15,552 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-24 00:06:15,552 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:06:15,563 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:06:15,563 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:06:15,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:06:15 BoogieIcfgContainer [2024-11-24 00:06:15,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:06:15,564 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:06:15,565 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:06:15,571 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:06:15,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:06:15,572 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:06:14" (1/3) ... [2024-11-24 00:06:15,574 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f7c737f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:06:15, skipping insertion in model container [2024-11-24 00:06:15,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:06:15,574 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:15" (2/3) ... [2024-11-24 00:06:15,574 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f7c737f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:06:15, skipping insertion in model container [2024-11-24 00:06:15,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:06:15,574 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:06:15" (3/3) ... [2024-11-24 00:06:15,577 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wise.c [2024-11-24 00:06:15,640 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:06:15,641 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:06:15,641 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:06:15,641 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:06:15,641 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:06:15,641 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:06:15,642 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:06:15,642 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:06:15,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2024-11-24 00:06:15,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:15,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:06:15,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:06:15,669 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-24 00:06:15,669 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 00:06:15,669 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:06:15,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2024-11-24 00:06:15,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:15,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:06:15,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:06:15,671 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-24 00:06:15,671 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 00:06:15,679 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0;" [2024-11-24 00:06:15,680 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2;" "assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := 1 + main_~x~0#1;" [2024-11-24 00:06:15,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:15,686 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-24 00:06:15,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:15,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436758094] [2024-11-24 00:06:15,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:15,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:15,779 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:15,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:15,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:15,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2024-11-24 00:06:15,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:15,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924728850] [2024-11-24 00:06:15,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:15,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:15,815 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:15,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:15,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash 28693896, now seen corresponding path program 1 times [2024-11-24 00:06:15,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:15,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42924597] [2024-11-24 00:06:15,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:15,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:15,845 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:15,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:15,965 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:06:15,966 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:06:15,966 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:06:15,966 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:06:15,967 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:06:15,967 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:15,967 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:06:15,967 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:06:15,968 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration1_Loop [2024-11-24 00:06:15,968 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:06:15,968 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:06:15,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:16,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:16,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:16,122 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:06:16,123 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:06:16,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:16,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:16,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-24 00:06:16,133 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:06:16,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:16,167 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:06:16,167 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: [] [2024-11-24 00:06:16,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-24 00:06:16,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:16,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:16,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-24 00:06:16,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:06:16,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:16,206 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:06:16,206 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: [] [2024-11-24 00:06:16,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-24 00:06:16,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:16,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:16,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-24 00:06:16,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:06:16,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:16,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-24 00:06:16,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:16,250 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:16,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-24 00:06:16,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:06:16,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:16,357 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:06:16,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-24 00:06:16,362 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:06:16,362 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:06:16,362 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:06:16,362 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:06:16,362 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:06:16,362 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,362 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:06:16,362 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:06:16,362 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration1_Loop [2024-11-24 00:06:16,362 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:06:16,362 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:06:16,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:16,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:16,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:16,470 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:06:16,475 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:06:16,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:16,480 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:16,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-24 00:06:16,485 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 [2024-11-24 00:06:16,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:06:16,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:06:16,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:06:16,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:06:16,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:06:16,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:06:16,528 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:06:16,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:16,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:16,548 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:16,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-24 00:06:16,553 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 [2024-11-24 00:06:16,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:06:16,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:06:16,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:06:16,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:06:16,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:06:16,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:06:16,585 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:06:16,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:16,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:16,599 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:16,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-24 00:06:16,604 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 [2024-11-24 00:06:16,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:06:16,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:06:16,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:06:16,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:06:16,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:06:16,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:06:16,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:06:16,629 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:06:16,637 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-24 00:06:16,641 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-24 00:06:16,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:16,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:16,647 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:16,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-24 00:06:16,652 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:06:16,652 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:06:16,653 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:06:16,653 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-24 00:06:16,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-24 00:06:16,673 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:06:16,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:16,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:06:16,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:16,754 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:06:16,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:16,858 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 [2024-11-24 00:06:16,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-24 00:06:16,938 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 29 transitions. Complement of second has 6 states. [2024-11-24 00:06:16,941 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 [2024-11-24 00:06:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-24 00:06:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-24 00:06:16,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-24 00:06:16,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:16,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-24 00:06:16,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:16,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-24 00:06:16,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:16,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2024-11-24 00:06:16,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:16,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 9 states and 12 transitions. [2024-11-24 00:06:16,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-24 00:06:16,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-24 00:06:16,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-24 00:06:16,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:06:16,967 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-24 00:06:16,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-24 00:06:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-24 00:06:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2024-11-24 00:06:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-24 00:06:16,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-24 00:06:16,999 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-24 00:06:17,000 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:06:17,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-24 00:06:17,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:17,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:06:17,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:06:17,004 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-24 00:06:17,004 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 00:06:17,005 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0;" "assume main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2;" "assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1;" [2024-11-24 00:06:17,005 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2;" "assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := 1 + main_~x~0#1;" [2024-11-24 00:06:17,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:17,006 INFO L85 PathProgramCache]: Analyzing trace with hash 28693898, now seen corresponding path program 1 times [2024-11-24 00:06:17,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:17,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982275591] [2024-11-24 00:06:17,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:17,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:17,022 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:17,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:17,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:17,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 2 times [2024-11-24 00:06:17,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:17,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787192341] [2024-11-24 00:06:17,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:17,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:17,050 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:17,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:17,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:17,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032560, now seen corresponding path program 1 times [2024-11-24 00:06:17,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:17,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294682148] [2024-11-24 00:06:17,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:17,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:17,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:17,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:06:17,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294682148] [2024-11-24 00:06:17,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294682148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:06:17,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683175195] [2024-11-24 00:06:17,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:17,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:06:17,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:17,314 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:06:17,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 00:06:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:17,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:06:17,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:17,423 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:06:17,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683175195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:06:17,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:06:17,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 3] total 6 [2024-11-24 00:06:17,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084390887] [2024-11-24 00:06:17,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:06:17,510 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:06:17,511 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:06:17,511 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:06:17,511 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:06:17,511 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:06:17,511 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:17,511 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:06:17,511 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:06:17,512 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration2_Loop [2024-11-24 00:06:17,512 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:06:17,512 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:06:17,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:17,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:17,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:17,595 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:06:17,595 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:06:17,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:17,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:17,601 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:17,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-24 00:06:17,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:06:17,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:17,637 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:06:17,637 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: [] [2024-11-24 00:06:17,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-24 00:06:17,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:17,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:17,652 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:17,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-24 00:06:17,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:06:17,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:17,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-24 00:06:17,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:17,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:17,691 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:17,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-24 00:06:17,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:06:17,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:17,803 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:06:17,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-24 00:06:17,808 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:06:17,808 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:06:17,808 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:06:17,808 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:06:17,808 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:06:17,808 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:17,808 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:06:17,808 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:06:17,808 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration2_Loop [2024-11-24 00:06:17,808 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:06:17,808 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:06:17,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:17,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:17,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:17,886 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:06:17,886 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:06:17,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:17,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:17,889 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:17,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-24 00:06:17,897 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 [2024-11-24 00:06:17,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:06:17,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:06:17,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:06:17,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:06:17,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:06:17,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:06:17,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:06:17,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-24 00:06:17,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:17,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:17,941 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:17,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-24 00:06:17,947 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 [2024-11-24 00:06:17,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:06:17,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:06:17,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:06:17,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:06:17,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:06:17,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:06:17,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:06:17,972 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:06:17,977 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-24 00:06:17,977 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-24 00:06:17,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:17,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:17,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:17,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-24 00:06:17,985 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:06:17,985 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:06:17,985 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:06:17,985 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-24 00:06:17,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:17,997 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:06:18,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:18,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:06:18,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:18,054 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:06:18,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:18,114 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 [2024-11-24 00:06:18,115 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-24 00:06:18,152 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 13 states and 18 transitions. Complement of second has 5 states. [2024-11-24 00:06:18,153 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 [2024-11-24 00:06:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-24 00:06:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-24 00:06:18,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-24 00:06:18,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:18,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-24 00:06:18,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:18,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-24 00:06:18,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:18,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2024-11-24 00:06:18,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:18,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2024-11-24 00:06:18,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-24 00:06:18,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-24 00:06:18,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2024-11-24 00:06:18,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:06:18,160 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-24 00:06:18,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2024-11-24 00:06:18,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-24 00:06:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2024-11-24 00:06:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-11-24 00:06:18,162 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-24 00:06:18,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:06:18,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:06:18,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:06:18,168 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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) [2024-11-24 00:06:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:18,204 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2024-11-24 00:06:18,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2024-11-24 00:06:18,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:18,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2024-11-24 00:06:18,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-24 00:06:18,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-24 00:06:18,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2024-11-24 00:06:18,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:06:18,205 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-24 00:06:18,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2024-11-24 00:06:18,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 8. [2024-11-24 00:06:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:06:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-11-24 00:06:18,207 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-24 00:06:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:06:18,211 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-24 00:06:18,211 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:06:18,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2024-11-24 00:06:18,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:18,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:06:18,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:06:18,212 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-24 00:06:18,212 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 00:06:18,214 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0;" "assume main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2;" [2024-11-24 00:06:18,214 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1;" "assume main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2;" [2024-11-24 00:06:18,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:18,214 INFO L85 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2024-11-24 00:06:18,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:18,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549713330] [2024-11-24 00:06:18,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:18,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,224 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:18,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:18,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1561, now seen corresponding path program 1 times [2024-11-24 00:06:18,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:18,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324369935] [2024-11-24 00:06:18,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:18,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,235 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:18,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:18,239 INFO L85 PathProgramCache]: Analyzing trace with hash 889510849, now seen corresponding path program 2 times [2024-11-24 00:06:18,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:18,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414412328] [2024-11-24 00:06:18,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:18,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,247 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:18,310 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:06:18,310 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:06:18,310 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:06:18,310 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:06:18,311 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:06:18,311 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:18,311 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:06:18,311 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:06:18,311 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration3_Loop [2024-11-24 00:06:18,311 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:06:18,311 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:06:18,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:18,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:18,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:18,383 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:06:18,383 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:06:18,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:18,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:18,386 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:18,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-24 00:06:18,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:06:18,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:18,421 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:06:18,422 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: [] [2024-11-24 00:06:18,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:18,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:18,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:18,437 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:18,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-24 00:06:18,442 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:06:18,442 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:18,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:18,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:18,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:18,481 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:18,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-24 00:06:18,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:06:18,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:18,673 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:06:18,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:18,679 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:06:18,679 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:06:18,679 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:06:18,680 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:06:18,680 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:06:18,680 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:18,680 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:06:18,680 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:06:18,680 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration3_Loop [2024-11-24 00:06:18,680 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:06:18,680 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:06:18,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:18,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:18,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:18,756 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:06:18,756 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:06:18,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:18,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:18,758 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:18,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-24 00:06:18,763 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 [2024-11-24 00:06:18,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:06:18,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:06:18,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:06:18,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:06:18,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:06:18,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:06:18,789 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:06:18,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:18,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:18,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:18,806 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:18,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-24 00:06:18,811 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 [2024-11-24 00:06:18,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:06:18,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:06:18,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:06:18,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:06:18,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:06:18,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:06:18,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:06:18,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:06:18,842 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-24 00:06:18,842 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-24 00:06:18,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:18,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:18,846 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:18,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-24 00:06:18,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:06:18,849 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:06:18,849 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:06:18,849 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-24 00:06:18,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:18,862 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:06:18,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:18,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:06:18,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:18,903 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:06:18,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:18,934 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 [2024-11-24 00:06:18,934 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 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) [2024-11-24 00:06:18,950 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. 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 13 states and 15 transitions. Complement of second has 5 states. [2024-11-24 00:06:18,951 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 [2024-11-24 00:06:18,952 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) [2024-11-24 00:06:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-24 00:06:18,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-24 00:06:18,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:18,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-24 00:06:18,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:18,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-24 00:06:18,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:18,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2024-11-24 00:06:18,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:18,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 10 transitions. [2024-11-24 00:06:18,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-24 00:06:18,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-24 00:06:18,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-11-24 00:06:18,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:06:18,955 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-24 00:06:18,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-11-24 00:06:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-24 00:06:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-11-24 00:06:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2024-11-24 00:06:18,957 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2024-11-24 00:06:18,957 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2024-11-24 00:06:18,957 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-24 00:06:18,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2024-11-24 00:06:18,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:06:18,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:06:18,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:06:18,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-11-24 00:06:18,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 00:06:18,958 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 >= 0 && main_~y~0#1 >= 0;" "assume main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2;" "assume main_~x~0#1 < main_~y~0#1;main_~x~0#1 := 1 + main_~x~0#1;" "assume main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2;" [2024-11-24 00:06:18,959 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~x~0#1 < main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1;" "assume main_~x~0#1 - main_~y~0#1 > 2 || main_~y~0#1 - main_~x~0#1 > 2;" [2024-11-24 00:06:18,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash 889510787, now seen corresponding path program 2 times [2024-11-24 00:06:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:18,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295983289] [2024-11-24 00:06:18,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:18,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,966 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:18,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:18,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1561, now seen corresponding path program 2 times [2024-11-24 00:06:18,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:18,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030050883] [2024-11-24 00:06:18,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:18,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,977 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:18,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:06:18,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:18,991 INFO L85 PathProgramCache]: Analyzing trace with hash 121375003, now seen corresponding path program 2 times [2024-11-24 00:06:18,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:06:18,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917706233] [2024-11-24 00:06:18,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:18,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:19,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:06:19,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917706233] [2024-11-24 00:06:19,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917706233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:06:19,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905188872] [2024-11-24 00:06:19,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:19,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:06:19,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:19,137 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:06:19,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-24 00:06:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:19,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:06:19,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:19,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:06:19,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905188872] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:06:19,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:06:19,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 4] total 7 [2024-11-24 00:06:19,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094528126] [2024-11-24 00:06:19,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:06:19,274 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:06:19,274 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:06:19,274 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:06:19,274 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:06:19,274 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:06:19,274 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:19,274 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:06:19,274 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:06:19,274 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration4_Loop [2024-11-24 00:06:19,274 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:06:19,274 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:06:19,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:19,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:19,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:19,348 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:06:19,348 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:06:19,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:19,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:19,354 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:19,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-24 00:06:19,358 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:06:19,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:19,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-24 00:06:19,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:19,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:19,390 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:19,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-24 00:06:19,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:06:19,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:06:19,514 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:06:19,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-24 00:06:19,519 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:06:19,519 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:06:19,519 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:06:19,519 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:06:19,519 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:06:19,519 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:19,519 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:06:19,519 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:06:19,519 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wise.c_Iteration4_Loop [2024-11-24 00:06:19,519 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:06:19,519 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:06:19,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:19,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:19,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:06:19,592 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:06:19,592 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:06:19,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:19,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:19,597 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:19,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-24 00:06:19,603 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 [2024-11-24 00:06:19,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:06:19,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:06:19,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:06:19,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:06:19,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:06:19,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:06:19,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:06:19,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:06:19,635 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-24 00:06:19,635 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-24 00:06:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:06:19,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:19,638 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:19,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-24 00:06:19,664 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:06:19,664 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:06:19,664 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:06:19,664 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-24 00:06:19,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-24 00:06:19,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:19,687 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:06:19,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:19,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:19,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:06:19,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:19,742 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:06:19,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:19,769 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 [2024-11-24 00:06:19,770 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-24 00:06:19,780 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 states and 10 transitions. Complement of second has 3 states. [2024-11-24 00:06:19,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-24 00:06:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-24 00:06:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-11-24 00:06:19,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-24 00:06:19,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:19,783 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-24 00:06:19,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:19,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:06:19,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:19,829 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:06:19,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:19,871 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 [2024-11-24 00:06:19,871 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-24 00:06:19,882 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 states and 10 transitions. Complement of second has 3 states. [2024-11-24 00:06:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-24 00:06:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-24 00:06:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-11-24 00:06:19,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-24 00:06:19,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:19,884 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-24 00:06:19,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:19,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:06:19,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:19,924 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:06:19,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:19,949 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 [2024-11-24 00:06:19,949 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-24 00:06:19,961 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 9 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 10 states and 11 transitions. Complement of second has 4 states. [2024-11-24 00:06:19,962 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 [2024-11-24 00:06:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-24 00:06:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-11-24 00:06:19,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-24 00:06:19,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:19,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-24 00:06:19,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:19,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-24 00:06:19,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:06:19,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2024-11-24 00:06:19,965 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:06:19,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2024-11-24 00:06:19,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-24 00:06:19,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-24 00:06:19,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-24 00:06:19,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:06:19,966 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:06:19,966 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:06:19,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:06:19,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:06:19,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:06:19,967 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2024-11-24 00:06:19,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:19,967 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-24 00:06:19,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-24 00:06:19,967 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:06:19,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:06:19,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-24 00:06:19,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-24 00:06:19,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-24 00:06:19,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:06:19,968 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:06:19,968 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:06:19,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:06:19,969 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:06:19,969 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-24 00:06:19,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:06:19,970 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:06:19,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-24 00:06:19,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:06:19 BoogieIcfgContainer [2024-11-24 00:06:19,980 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:06:19,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:06:19,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:06:19,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:06:19,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:06:15" (3/4) ... [2024-11-24 00:06:19,985 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:06:19,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:06:19,987 INFO L158 Benchmark]: Toolchain (without parser) took 5023.05ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 94.2MB in the end (delta: 12.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,988 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:06:19,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.83ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 96.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.36ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:06:19,989 INFO L158 Benchmark]: Boogie Preprocessor took 40.02ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:06:19,989 INFO L158 Benchmark]: RCFGBuilder took 294.01ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 85.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,990 INFO L158 Benchmark]: BuchiAutomizer took 4415.96ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 94.2MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:06:19,990 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 94.2MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:06:19,992 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.83ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 96.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.36ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.02ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.01ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 85.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4415.96ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 94.2MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 94.2MB in the end (delta: 36.9kB). 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 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (y + ((long) -1 * x)) and consists of 4 locations. One deterministic module has affine ranking function (y + ((long) -1 * x)) and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * y) + x) and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -1 * y) + x) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.3s. 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 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 35 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax200 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-24 00:06:20,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:20,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-24 00:06:20,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:20,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0685b26b-da99-4f42-be29-9f8a9628eb59/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE