./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-numeric/gcd01-2.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_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/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_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-numeric/gcd01-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/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_04e4681c-49cb-48c4-a090-e41fb5fd928f/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 45c5821ff02aca8bda5f221968fe713118b5c593fcfc7e422e3a99fb31bf02bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:33:31,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:33:31,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 18:33:31,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:33:31,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:33:31,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:33:31,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:33:31,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:33:31,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:33:31,193 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:33:31,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:33:31,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:33:31,195 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:33:31,196 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 18:33:31,196 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 18:33:31,196 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 18:33:31,196 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 18:33:31,196 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 18:33:31,196 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 18:33:31,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:33:31,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 18:33:31,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:33:31,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:33:31,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 18:33:31,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 18:33:31,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 18:33:31,199 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:33:31,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:33:31,199 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 18:33:31,199 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:33:31,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:33:31,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:33:31,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:33:31,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:33:31,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 18:33:31,202 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 18:33:31,203 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_04e4681c-49cb-48c4-a090-e41fb5fd928f/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 -> 45c5821ff02aca8bda5f221968fe713118b5c593fcfc7e422e3a99fb31bf02bb [2024-11-23 18:33:31,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:33:31,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:33:31,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:33:31,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:33:31,837 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:33:31,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-numeric/gcd01-2.c [2024-11-23 18:33:36,092 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/data/97a392f7b/be891f5932304bdf832d2f849a4d492c/FLAG9e78b7eb6 [2024-11-23 18:33:36,446 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:33:36,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/sv-benchmarks/c/termination-numeric/gcd01-2.c [2024-11-23 18:33:36,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/data/97a392f7b/be891f5932304bdf832d2f849a4d492c/FLAG9e78b7eb6 [2024-11-23 18:33:36,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/data/97a392f7b/be891f5932304bdf832d2f849a4d492c [2024-11-23 18:33:36,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:33:36,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:33:36,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:33:36,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:33:36,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:33:36,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:33:36" (1/1) ... [2024-11-23 18:33:36,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f658bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:36, skipping insertion in model container [2024-11-23 18:33:36,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:33:36" (1/1) ... [2024-11-23 18:33:36,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:33:36,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:33:37,011 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:33:37,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:33:37,057 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:33:37,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37 WrapperNode [2024-11-23 18:33:37,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:33:37,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:33:37,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:33:37,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:33:37,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,113 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-11-23 18:33:37,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:33:37,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:33:37,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:33:37,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:33:37,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,153 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:33:37,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,159 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:33:37,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:33:37,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:33:37,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:33:37,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (1/1) ... [2024-11-23 18:33:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:37,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:37,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:37,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 18:33:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:33:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2024-11-23 18:33:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2024-11-23 18:33:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:33:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:33:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:33:37,355 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:33:37,358 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:33:37,580 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-23 18:33:37,581 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:33:37,602 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:33:37,603 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 18:33:37,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:33:37 BoogieIcfgContainer [2024-11-23 18:33:37,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:33:37,605 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 18:33:37,605 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 18:33:37,614 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 18:33:37,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:33:37,615 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 06:33:36" (1/3) ... [2024-11-23 18:33:37,617 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d195925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:33:37, skipping insertion in model container [2024-11-23 18:33:37,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:33:37,617 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:37" (2/3) ... [2024-11-23 18:33:37,618 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d195925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:33:37, skipping insertion in model container [2024-11-23 18:33:37,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:33:37,618 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:33:37" (3/3) ... [2024-11-23 18:33:37,620 INFO L363 chiAutomizerObserver]: Analyzing ICFG gcd01-2.c [2024-11-23 18:33:37,689 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 18:33:37,690 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 18:33:37,690 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 18:33:37,691 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 18:33:37,691 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 18:33:37,691 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 18:33:37,691 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 18:33:37,692 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 18:33:37,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 18:33:37,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-23 18:33:37,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:33:37,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:33:37,741 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-23 18:33:37,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 18:33:37,742 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 18:33:37,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 18:33:37,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-23 18:33:37,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:33:37,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:33:37,748 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-23 18:33:37,748 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 18:33:37,757 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~m~0#1 <= 0);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~n~0#1 <= 0);" "call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);"< [2024-11-23 18:33:37,757 INFO L749 eck$LassoCheckResult]: Loop: "~y1 := #in~y1;~y2 := #in~y2;" "assume !(~y1 <= 0 || ~y2 <= 0);" "assume !(~y1 == ~y2);" "assume !(~y1 > ~y2);" "call #t~ret5 := gcd(~y1, ~y2 - ~y1);"< [2024-11-23 18:33:37,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:37,768 INFO L85 PathProgramCache]: Analyzing trace with hash 45873353, now seen corresponding path program 1 times [2024-11-23 18:33:37,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:37,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727227478] [2024-11-23 18:33:37,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:37,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:37,911 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:37,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:37,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:37,956 INFO L85 PathProgramCache]: Analyzing trace with hash 28756484, now seen corresponding path program 1 times [2024-11-23 18:33:37,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:37,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496860503] [2024-11-23 18:33:37,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:37,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:37,982 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:37,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:37,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:37,993 INFO L85 PathProgramCache]: Analyzing trace with hash 50269756, now seen corresponding path program 1 times [2024-11-23 18:33:37,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:37,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907980465] [2024-11-23 18:33:37,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:37,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:38,015 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:38,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:38,369 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:33:38,370 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:33:38,371 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:33:38,371 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:33:38,371 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 18:33:38,372 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:38,372 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:33:38,372 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:33:38,372 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration1_Loop [2024-11-23 18:33:38,373 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:33:38,373 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:33:38,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:38,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:38,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:38,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:38,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:38,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:38,640 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:33:38,641 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 18:33:38,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:38,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:38,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:38,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-23 18:33:38,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:33:38,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:38,688 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:33:38,688 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 18:33:38,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:38,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:38,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:38,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:38,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-23 18:33:38,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:33:38,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:38,738 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:33:38,738 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 18:33:38,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-23 18:33:38,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:38,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:38,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:38,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 18:33:38,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:33:38,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:38,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:38,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:38,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:38,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:38,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 18:33:38,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 18:33:38,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:39,112 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 18:33:39,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:39,122 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:33:39,122 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:33:39,122 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:33:39,122 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:33:39,122 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 18:33:39,122 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:39,122 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:33:39,122 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:33:39,122 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration1_Loop [2024-11-23 18:33:39,122 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:33:39,123 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:33:39,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:39,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:39,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:39,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:39,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:39,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:39,344 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:33:39,352 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 18:33:39,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:39,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:39,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:39,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-23 18:33:39,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:39,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:39,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:39,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:39,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:39,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:39,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:39,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:39,404 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:33:39,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:39,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:39,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:39,421 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:39,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-23 18:33:39,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:39,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:39,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:39,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:39,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:39,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:39,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:39,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:39,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:33:39,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:39,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:39,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:39,459 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:39,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-23 18:33:39,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:39,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:39,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:39,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:39,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:39,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:39,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:39,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:39,482 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 18:33:39,488 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 18:33:39,491 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 18:33:39,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:39,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:39,495 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:39,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-23 18:33:39,504 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 18:33:39,504 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 18:33:39,504 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 18:33:39,508 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y2) = 1*gcd_#in~y2 Supporting invariants [] [2024-11-23 18:33:39,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-23 18:33:39,524 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 18:33:39,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:39,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:33:39,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:39,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:33:39,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:33:39,830 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 18:33:39,834 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:40,101 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 88 transitions. Complement of second has 20 states. [2024-11-23 18:33:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-23 18:33:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. [2024-11-23 18:33:40,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 5 letters. [2024-11-23 18:33:40,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:40,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 10 letters. Loop has 5 letters. [2024-11-23 18:33:40,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:40,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 10 letters. [2024-11-23 18:33:40,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:40,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 88 transitions. [2024-11-23 18:33:40,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-23 18:33:40,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 28 states and 32 transitions. [2024-11-23 18:33:40,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-23 18:33:40,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-23 18:33:40,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2024-11-23 18:33:40,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 18:33:40,148 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-23 18:33:40,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2024-11-23 18:33:40,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2024-11-23 18:33:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-23 18:33:40,188 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-23 18:33:40,188 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-23 18:33:40,188 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 18:33:40,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2024-11-23 18:33:40,192 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-23 18:33:40,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:33:40,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:33:40,194 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 18:33:40,194 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 18:33:40,195 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~m~0#1 <= 0);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~n~0#1 <= 0);" "call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);"< "~y1 := #in~y1;~y2 := #in~y2;" [2024-11-23 18:33:40,195 INFO L749 eck$LassoCheckResult]: Loop: "assume !(~y1 <= 0 || ~y2 <= 0);" "assume !(~y1 == ~y2);" "assume ~y1 > ~y2;" "call #t~ret4 := gcd(~y1 - ~y2, ~y2);"< "~y1 := #in~y1;~y2 := #in~y2;" [2024-11-23 18:33:40,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:40,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1422073943, now seen corresponding path program 1 times [2024-11-23 18:33:40,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:40,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439713700] [2024-11-23 18:33:40,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:40,225 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:40,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:40,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:40,253 INFO L85 PathProgramCache]: Analyzing trace with hash 32573529, now seen corresponding path program 1 times [2024-11-23 18:33:40,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:40,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285812134] [2024-11-23 18:33:40,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:40,276 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:40,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:40,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:40,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1558359491, now seen corresponding path program 1 times [2024-11-23 18:33:40,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:40,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292595798] [2024-11-23 18:33:40,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:40,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:40,306 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:40,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:40,512 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:33:40,512 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:33:40,512 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:33:40,512 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:33:40,512 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 18:33:40,512 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:40,512 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:33:40,513 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:33:40,513 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration2_Loop [2024-11-23 18:33:40,513 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:33:40,513 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:33:40,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:40,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:40,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:40,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:40,650 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:33:40,650 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 18:33:40,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:40,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:40,654 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:40,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-23 18:33:40,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:33:40,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:40,683 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:33:40,683 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret4=0} Honda state: {gcd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 18:33:40,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:40,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:40,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:40,700 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:40,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-23 18:33:40,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:33:40,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:40,729 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:33:40,730 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 18:33:40,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-23 18:33:40,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:40,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:40,748 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:40,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-23 18:33:40,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:33:40,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:40,776 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 18:33:40,776 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 18:33:40,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-23 18:33:40,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:40,794 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:40,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-23 18:33:40,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:33:40,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:40,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-23 18:33:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:40,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:40,858 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:40,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-23 18:33:40,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 18:33:40,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:41,281 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 18:33:41,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-23 18:33:41,287 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:33:41,287 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:33:41,287 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:33:41,287 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:33:41,288 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 18:33:41,288 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:41,288 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:33:41,288 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:33:41,288 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration2_Loop [2024-11-23 18:33:41,288 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:33:41,288 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:33:41,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:41,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:41,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:41,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:41,427 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:33:41,427 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 18:33:41,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:41,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:41,432 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:41,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-23 18:33:41,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:41,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:41,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:41,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:41,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:41,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:41,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:41,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:41,465 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:33:41,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-23 18:33:41,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:41,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:41,487 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:41,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-23 18:33:41,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:41,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:41,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:41,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:41,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:41,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:41,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:41,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:41,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:33:41,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-23 18:33:41,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:41,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:41,568 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:41,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:41,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-23 18:33:41,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:41,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:41,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:41,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:41,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:41,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:41,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:41,600 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:33:41,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-23 18:33:41,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:41,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:41,618 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:41,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-23 18:33:41,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:41,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:41,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:41,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:41,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:41,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:41,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:41,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:41,657 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 18:33:41,668 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 18:33:41,669 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 18:33:41,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:41,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:41,679 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:41,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-23 18:33:41,682 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 18:33:41,683 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 18:33:41,683 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 18:33:41,683 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y1) = 1*gcd_~y1 Supporting invariants [] [2024-11-23 18:33:41,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:41,693 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 18:33:41,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:41,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:33:41,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:41,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:33:41,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:33:41,899 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-23 18:33:41,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:41,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-23 18:33:42,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-23 18:33:42,063 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 61 transitions. Complement of second has 15 states. [2024-11-23 18:33:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 18:33:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-23 18:33:42,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 5 letters. [2024-11-23 18:33:42,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:42,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-23 18:33:42,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:42,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 10 letters. [2024-11-23 18:33:42,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:42,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2024-11-23 18:33:42,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-23 18:33:42,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 33 states and 37 transitions. [2024-11-23 18:33:42,082 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-23 18:33:42,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-23 18:33:42,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2024-11-23 18:33:42,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 18:33:42,083 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 37 transitions. [2024-11-23 18:33:42,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2024-11-23 18:33:42,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2024-11-23 18:33:42,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-23 18:33:42,088 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-23 18:33:42,090 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-23 18:33:42,090 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 18:33:42,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. [2024-11-23 18:33:42,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-23 18:33:42,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:33:42,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:33:42,092 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:42,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 18:33:42,093 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~m~0#1 <= 0);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~n~0#1 <= 0);" "call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);"< "~y1 := #in~y1;~y2 := #in~y2;" "assume !(~y1 <= 0 || ~y2 <= 0);" "assume !(~y1 == ~y2);" "assume !(~y1 > ~y2);" "call #t~ret5 := gcd(~y1, ~y2 - ~y1);"< "~y1 := #in~y1;~y2 := #in~y2;" [2024-11-23 18:33:42,093 INFO L749 eck$LassoCheckResult]: Loop: "assume !(~y1 <= 0 || ~y2 <= 0);" "assume !(~y1 == ~y2);" "assume ~y1 > ~y2;" "call #t~ret4 := gcd(~y1 - ~y2, ~y2);"< "~y1 := #in~y1;~y2 := #in~y2;" [2024-11-23 18:33:42,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:42,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1558362436, now seen corresponding path program 2 times [2024-11-23 18:33:42,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:42,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660537276] [2024-11-23 18:33:42,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:42,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:42,121 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:42,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:42,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:42,138 INFO L85 PathProgramCache]: Analyzing trace with hash 32573529, now seen corresponding path program 2 times [2024-11-23 18:33:42,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:42,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549969589] [2024-11-23 18:33:42,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:42,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:42,146 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:42,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:42,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:42,155 INFO L85 PathProgramCache]: Analyzing trace with hash -2060541706, now seen corresponding path program 1 times [2024-11-23 18:33:42,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:33:42,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460595748] [2024-11-23 18:33:42,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:42,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:42,175 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:42,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:33:42,404 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:33:42,404 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:33:42,404 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:33:42,405 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:33:42,405 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 18:33:42,405 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:42,405 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:33:42,405 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:33:42,405 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration3_Loop [2024-11-23 18:33:42,405 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:33:42,405 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:33:42,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:42,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:42,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:42,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:42,532 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:33:42,533 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 18:33:42,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:42,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:42,536 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:42,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-23 18:33:42,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 18:33:42,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:42,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-23 18:33:42,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:42,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:42,605 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:42,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-23 18:33:42,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 18:33:42,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 18:33:43,037 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 18:33:43,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:43,046 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 18:33:43,046 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 18:33:43,046 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 18:33:43,047 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 18:33:43,047 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 18:33:43,047 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:43,047 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 18:33:43,047 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 18:33:43,047 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration3_Loop [2024-11-23 18:33:43,047 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 18:33:43,047 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 18:33:43,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:43,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:43,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:43,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 18:33:43,174 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 18:33:43,174 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 18:33:43,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:43,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:43,180 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:43,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-23 18:33:43,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:43,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:43,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:43,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:43,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:43,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:43,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:43,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:43,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:33:43,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:43,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:43,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:43,223 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:43,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-23 18:33:43,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:43,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:43,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:43,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:43,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:43,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:43,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:43,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:43,248 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 18:33:43,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-23 18:33:43,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:43,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:43,264 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:43,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-23 18:33:43,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 18:33:43,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 18:33:43,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 18:33:43,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 18:33:43,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 18:33:43,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 18:33:43,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 18:33:43,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 18:33:43,299 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 18:33:43,308 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 18:33:43,308 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 18:33:43,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:33:43,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:43,312 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:43,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-23 18:33:43,318 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 18:33:43,318 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 18:33:43,319 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 18:33:43,319 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y1) = 1*gcd_~y1 Supporting invariants [] [2024-11-23 18:33:43,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-23 18:33:43,337 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 18:33:43,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:43,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:33:43,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:43,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:33:43,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:33:43,613 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-23 18:33:43,614 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:43,685 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 51 transitions. Complement of second has 15 states. [2024-11-23 18:33:43,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 18:33:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-23 18:33:43,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-23 18:33:43,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:43,688 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 18:33:43,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:43,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:33:43,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:43,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:33:43,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:33:43,922 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-23 18:33:43,922 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:43,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 51 transitions. Complement of second has 15 states. [2024-11-23 18:33:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 18:33:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-23 18:33:43,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-23 18:33:43,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:43,991 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 18:33:44,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:44,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:33:44,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:44,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:33:44,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:33:44,246 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 4 loop predicates [2024-11-23 18:33:44,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:44,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-23 18:33:44,357 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 86 transitions. Complement of second has 17 states. [2024-11-23 18:33:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 18:33:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:33:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-23 18:33:44,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-23 18:33:44,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:44,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 16 letters. Loop has 5 letters. [2024-11-23 18:33:44,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:44,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 10 letters. [2024-11-23 18:33:44,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 18:33:44,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 86 transitions. [2024-11-23 18:33:44,368 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 18:33:44,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 0 states and 0 transitions. [2024-11-23 18:33:44,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 18:33:44,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 18:33:44,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 18:33:44,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 18:33:44,369 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:33:44,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:33:44,369 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:33:44,369 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 18:33:44,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:33:44,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 18:33:44,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 18:33:44,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 06:33:44 BoogieIcfgContainer [2024-11-23 18:33:44,387 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 18:33:44,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:33:44,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:33:44,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:33:44,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:33:37" (3/4) ... [2024-11-23 18:33:44,395 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:33:44,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:33:44,397 INFO L158 Benchmark]: Toolchain (without parser) took 7680.08ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 85.6MB in the end (delta: 6.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-23 18:33:44,398 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:33:44,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.76ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:33:44,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 854.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:33:44,401 INFO L158 Benchmark]: Boogie Preprocessor took 52.62ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:33:44,401 INFO L158 Benchmark]: RCFGBuilder took 435.61ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 69.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:33:44,403 INFO L158 Benchmark]: BuchiAutomizer took 6782.66ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 85.6MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:33:44,403 INFO L158 Benchmark]: Witness Printer took 6.99ms. Allocated memory is still 117.4MB. Free memory was 85.6MB in the beginning and 85.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:33:44,407 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.76ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 854.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.62ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 435.61ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 69.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6782.66ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 85.6MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.99ms. Allocated memory is still 117.4MB. Free memory was 85.6MB in the beginning and 85.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function \old(y2) and consists of 6 locations. One deterministic module has affine ranking function y1 and consists of 5 locations. One nondeterministic module has affine ranking function y1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 4.5s. Construction of modules took 0.2s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 55 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf91 smp91 dnf100 smp100 tf106 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 18:33:44,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e4681c-49cb-48c4-a090-e41fb5fd928f/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