./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-numeric/gcd01-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45c5821ff02aca8bda5f221968fe713118b5c593fcfc7e422e3a99fb31bf02bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:04:26,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:04:26,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 03:04:26,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:04:26,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:04:26,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:04:26,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:04:26,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:04:26,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:04:26,697 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:04:26,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:04:26,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:04:26,697 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:04:26,698 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:04:26,698 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:04:26,698 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:04:26,698 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:04:26,698 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:04:26,698 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:04:26,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:04:26,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:04:26,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:04:26,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:04:26,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:04:26,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:04:26,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:04:26,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:04:26,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:04:26,700 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:04:26,700 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:04:26,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:04:26,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:04:26,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:04:26,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:04:26,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:04:26,701 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:04:26,701 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_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45c5821ff02aca8bda5f221968fe713118b5c593fcfc7e422e3a99fb31bf02bb [2024-11-28 03:04:27,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:04:27,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:04:27,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:04:27,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:04:27,052 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:04:27,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-numeric/gcd01-2.c [2024-11-28 03:04:29,978 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/data/5e195dcb3/dfc6ebe63adc447faad586889432b9a0/FLAG1b5317dde [2024-11-28 03:04:30,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:04:30,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/sv-benchmarks/c/termination-numeric/gcd01-2.c [2024-11-28 03:04:30,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/data/5e195dcb3/dfc6ebe63adc447faad586889432b9a0/FLAG1b5317dde [2024-11-28 03:04:30,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/data/5e195dcb3/dfc6ebe63adc447faad586889432b9a0 [2024-11-28 03:04:30,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:04:30,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:04:30,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:04:30,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:04:30,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:04:30,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f4ca97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30, skipping insertion in model container [2024-11-28 03:04:30,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:04:30,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:04:30,522 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:04:30,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:04:30,553 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:04:30,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30 WrapperNode [2024-11-28 03:04:30,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:04:30,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:04:30,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:04:30,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:04:30,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,580 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-11-28 03:04:30,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:04:30,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:04:30,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:04:30,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:04:30,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,606 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]. [2024-11-28 03:04:30,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,614 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:04:30,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:04:30,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:04:30,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:04:30,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (1/1) ... [2024-11-28 03:04:30,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:30,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:30,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:30,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:04:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:04:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2024-11-28 03:04:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2024-11-28 03:04:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:04:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:04:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:04:30,750 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:04:30,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:04:30,921 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 03:04:30,921 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:04:30,931 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:04:30,931 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:04:30,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:30 BoogieIcfgContainer [2024-11-28 03:04:30,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:04:30,933 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:04:30,933 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:04:30,939 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:04:30,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:04:30,941 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:04:30" (1/3) ... [2024-11-28 03:04:30,944 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69742e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:30, skipping insertion in model container [2024-11-28 03:04:30,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:04:30,944 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:30" (2/3) ... [2024-11-28 03:04:30,944 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69742e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:30, skipping insertion in model container [2024-11-28 03:04:30,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:04:30,944 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:30" (3/3) ... [2024-11-28 03:04:30,946 INFO L363 chiAutomizerObserver]: Analyzing ICFG gcd01-2.c [2024-11-28 03:04:31,018 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:04:31,018 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:04:31,018 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:04:31,019 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:04:31,019 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:04:31,019 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:04:31,019 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:04:31,021 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:04:31,027 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) [2024-11-28 03:04:31,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:04:31,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:04:31,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:04:31,058 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 03:04:31,058 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 03:04:31,058 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:04:31,059 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) [2024-11-28 03:04:31,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:04:31,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:04:31,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:04:31,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 03:04:31,063 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 03:04:31,073 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~m~0#1 <= 0);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~n~0#1 <= 0);" "call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);"< [2024-11-28 03:04:31,073 INFO L749 eck$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);"< [2024-11-28 03:04:31,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:31,084 INFO L85 PathProgramCache]: Analyzing trace with hash 45873353, now seen corresponding path program 1 times [2024-11-28 03:04:31,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:31,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902002042] [2024-11-28 03:04:31,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:31,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:31,201 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:31,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:31,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:31,243 INFO L85 PathProgramCache]: Analyzing trace with hash 28756484, now seen corresponding path program 1 times [2024-11-28 03:04:31,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:31,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281159755] [2024-11-28 03:04:31,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:31,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:31,262 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:31,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:31,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:31,273 INFO L85 PathProgramCache]: Analyzing trace with hash 50269756, now seen corresponding path program 1 times [2024-11-28 03:04:31,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:31,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454998034] [2024-11-28 03:04:31,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:31,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:31,289 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:31,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:31,549 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:04:31,550 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:04:31,551 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:04:31,551 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:04:31,552 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:04:31,552 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:31,552 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:04:31,552 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:04:31,552 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration1_Loop [2024-11-28 03:04:31,552 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:04:31,553 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:04:31,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:31,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:31,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:31,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:31,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:31,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:31,732 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:04:31,733 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:04:31,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:31,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:31,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:31,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 03:04:31,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:04:31,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:31,767 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:04:31,767 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:04:31,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:31,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:31,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:31,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:31,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 03:04:31,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:04:31,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:31,805 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:04:31,805 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:04:31,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 03:04:31,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:31,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:31,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:31,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 03:04:31,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:04:31,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:31,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:31,850 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:31,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:04:31,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:04:31,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:31,994 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:04:31,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 03:04:32,000 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:04:32,000 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:04:32,000 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:04:32,000 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:04:32,000 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:04:32,000 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:32,000 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:04:32,000 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:04:32,000 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration1_Loop [2024-11-28 03:04:32,000 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:04:32,000 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:04:32,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,148 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:04:32,152 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:04:32,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:32,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:32,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:32,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 03:04:32,161 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 [2024-11-28 03:04:32,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:32,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:32,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:32,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:32,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:32,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:32,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:32,188 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:04:32,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 03:04:32,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:32,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:32,199 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:32,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 03:04:32,202 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 [2024-11-28 03:04:32,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:32,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:32,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:32,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:32,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:32,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:32,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:32,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:04:32,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 03:04:32,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:32,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:32,227 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:32,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 03:04:32,230 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 [2024-11-28 03:04:32,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:32,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:32,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:32,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:32,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:32,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:32,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:32,247 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:04:32,255 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:04:32,258 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:04:32,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:32,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:32,265 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:32,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 03:04:32,270 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:04:32,270 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:04:32,270 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:04:32,271 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y2) = 1*gcd_#in~y2 Supporting invariants [] [2024-11-28 03:04:32,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 03:04:32,279 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:04:32,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:32,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:04:32,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:32,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:04:32,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:04:32,483 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 [2024-11-28 03:04:32,485 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) [2024-11-28 03:04:32,669 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. [2024-11-28 03:04:32,671 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 [2024-11-28 03:04:32,676 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) [2024-11-28 03:04:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. [2024-11-28 03:04:32,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 5 letters. [2024-11-28 03:04:32,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:32,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 10 letters. Loop has 5 letters. [2024-11-28 03:04:32,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:32,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 10 letters. [2024-11-28 03:04:32,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:32,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 88 transitions. [2024-11-28 03:04:32,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 03:04:32,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 28 states and 32 transitions. [2024-11-28 03:04:32,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 03:04:32,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-28 03:04:32,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2024-11-28 03:04:32,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:04:32,702 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-28 03:04:32,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2024-11-28 03:04:32,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2024-11-28 03:04:32,726 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) [2024-11-28 03:04:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-28 03:04:32,727 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-28 03:04:32,728 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-28 03:04:32,728 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:04:32,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2024-11-28 03:04:32,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 03:04:32,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:04:32,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:04:32,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:04:32,729 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 03:04:32,729 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~m~0#1 <= 0);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~n~0#1 <= 0);" "call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);"< "~y1 := #in~y1;~y2 := #in~y2;" [2024-11-28 03:04:32,729 INFO L749 eck$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;" [2024-11-28 03:04:32,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:32,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1422073943, now seen corresponding path program 1 times [2024-11-28 03:04:32,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:32,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909940573] [2024-11-28 03:04:32,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:32,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:32,738 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:32,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:32,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:32,747 INFO L85 PathProgramCache]: Analyzing trace with hash 32573529, now seen corresponding path program 1 times [2024-11-28 03:04:32,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:32,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993488817] [2024-11-28 03:04:32,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:32,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:32,752 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:32,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:32,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:32,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1558359491, now seen corresponding path program 1 times [2024-11-28 03:04:32,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:32,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925524638] [2024-11-28 03:04:32,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:32,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:32,769 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:32,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:32,924 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:04:32,924 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:04:32,925 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:04:32,925 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:04:32,925 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:04:32,925 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:32,925 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:04:32,925 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:04:32,925 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration2_Loop [2024-11-28 03:04:32,925 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:04:32,925 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:04:32,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:32,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:33,022 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:04:33,022 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:04:33,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,026 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 03:04:33,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:04:33,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:33,048 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:04:33,049 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret4=0} Honda state: {gcd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:04:33,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:33,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,059 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 03:04:33,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:04:33,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:33,083 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:04:33,083 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:04:33,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:33,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,095 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 03:04:33,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:04:33,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:33,115 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:04:33,115 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:04:33,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 03:04:33,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,127 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 03:04:33,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:04:33,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:33,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 03:04:33,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,175 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 03:04:33,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:04:33,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:33,449 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:04:33,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:33,456 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:04:33,456 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:04:33,456 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:04:33,456 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:04:33,456 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:04:33,456 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,456 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:04:33,456 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:04:33,456 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration2_Loop [2024-11-28 03:04:33,456 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:04:33,456 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:04:33,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:33,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:33,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:33,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:33,541 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:04:33,541 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:04:33,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,543 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 03:04:33,547 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 [2024-11-28 03:04:33,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:33,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:33,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:33,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:33,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:33,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:33,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:33,566 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:04:33,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 03:04:33,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,576 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 03:04:33,579 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 [2024-11-28 03:04:33,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:33,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:33,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:33,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:33,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:33,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:33,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:33,593 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:04:33,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:33,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,604 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 03:04:33,608 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 [2024-11-28 03:04:33,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:33,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:33,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:33,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:33,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:33,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:33,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:33,623 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:04:33,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 03:04:33,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,635 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 03:04:33,640 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 [2024-11-28 03:04:33,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:33,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:33,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:33,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:33,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:33,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:33,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:33,667 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:04:33,673 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:04:33,673 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:04:33,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:33,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:33,708 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:33,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 03:04:33,714 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:04:33,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 03:04:33,714 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:04:33,714 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:04:33,714 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y1) = 1*gcd_~y1 Supporting invariants [] [2024-11-28 03:04:33,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 03:04:33,722 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:04:33,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:33,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:04:33,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:33,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:04:33,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:04:33,865 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 [2024-11-28 03:04:33,866 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) [2024-11-28 03:04:33,914 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. [2024-11-28 03:04:33,915 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 [2024-11-28 03:04:33,916 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) [2024-11-28 03:04:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 03:04:33,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 5 letters. [2024-11-28 03:04:33,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:33,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-28 03:04:33,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:33,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 10 letters. [2024-11-28 03:04:33,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:33,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2024-11-28 03:04:33,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 03:04:33,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 33 states and 37 transitions. [2024-11-28 03:04:33,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-28 03:04:33,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-28 03:04:33,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2024-11-28 03:04:33,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:04:33,921 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 37 transitions. [2024-11-28 03:04:33,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2024-11-28 03:04:33,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2024-11-28 03:04:33,922 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) [2024-11-28 03:04:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-28 03:04:33,923 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-28 03:04:33,923 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-28 03:04:33,923 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:04:33,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. [2024-11-28 03:04:33,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 03:04:33,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:04:33,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:04:33,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:33,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 03:04:33,924 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~m~0#1 <= 0);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~n~0#1 <= 0);" "call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);"< "~y1 := #in~y1;~y2 := #in~y2;" "assume !(~y1 <= 0 || ~y2 <= 0);" "assume !(~y1 == ~y2);" "assume !(~y1 > ~y2);" "call #t~ret5 := gcd(~y1, ~y2 - ~y1);"< "~y1 := #in~y1;~y2 := #in~y2;" [2024-11-28 03:04:33,925 INFO L749 eck$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;" [2024-11-28 03:04:33,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1558362436, now seen corresponding path program 2 times [2024-11-28 03:04:33,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147779123] [2024-11-28 03:04:33,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:33,944 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:33,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:33,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:33,967 INFO L85 PathProgramCache]: Analyzing trace with hash 32573529, now seen corresponding path program 2 times [2024-11-28 03:04:33,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:33,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297561904] [2024-11-28 03:04:33,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:33,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:33,980 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:33,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:33,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:33,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2060541706, now seen corresponding path program 1 times [2024-11-28 03:04:33,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:04:33,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66432677] [2024-11-28 03:04:33,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:33,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:34,020 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:04:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:04:34,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:04:34,184 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:04:34,184 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:04:34,185 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:04:34,185 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:04:34,185 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:04:34,185 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:34,185 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:04:34,185 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:04:34,185 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration3_Loop [2024-11-28 03:04:34,185 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:04:34,185 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:04:34,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:34,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:34,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:34,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:34,266 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:04:34,266 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:04:34,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:34,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:34,270 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:34,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 03:04:34,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:04:34,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:34,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:34,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:34,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:34,316 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:34,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 03:04:34,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:04:34,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:04:34,583 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:04:34,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:34,589 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:04:34,589 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:04:34,589 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:04:34,589 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:04:34,589 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:04:34,589 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:34,589 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:04:34,589 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:04:34,589 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-2.c_Iteration3_Loop [2024-11-28 03:04:34,589 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:04:34,589 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:04:34,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:34,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:34,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:34,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:04:34,681 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:04:34,681 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:04:34,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:34,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:34,683 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:34,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 03:04:34,687 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 [2024-11-28 03:04:34,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:34,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:34,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:34,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:34,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:34,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:34,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:34,704 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:04:34,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:34,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:34,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:34,714 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:34,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 03:04:34,716 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 [2024-11-28 03:04:34,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:34,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:34,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:34,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:34,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:34,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:34,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:34,730 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:04:34,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 03:04:34,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:34,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:34,737 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:34,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 03:04:34,740 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 [2024-11-28 03:04:34,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:04:34,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:04:34,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:04:34,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:04:34,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:04:34,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:04:34,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:04:34,761 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:04:34,766 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:04:34,766 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:04:34,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:04:34,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:34,769 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:34,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 03:04:34,773 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:04:34,773 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:04:34,773 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:04:34,773 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y1) = 1*gcd_~y1 Supporting invariants [] [2024-11-28 03:04:34,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 03:04:34,783 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:04:34,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:34,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:04:34,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:34,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:04:34,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:34,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:04:34,942 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 [2024-11-28 03:04:34,942 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) [2024-11-28 03:04:34,989 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. [2024-11-28 03:04:34,989 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 [2024-11-28 03:04:34,990 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) [2024-11-28 03:04:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 03:04:34,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-28 03:04:34,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:34,991 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:04:35,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:35,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:04:35,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:35,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:35,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 03:04:35,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:04:35,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:04:35,176 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 [2024-11-28 03:04:35,176 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) [2024-11-28 03:04:35,229 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. [2024-11-28 03:04:35,229 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 [2024-11-28 03:04:35,230 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) [2024-11-28 03:04:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 03:04:35,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-28 03:04:35,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:35,230 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:04:35,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:35,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:04:35,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:35,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:04:35,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:04:35,358 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 [2024-11-28 03:04:35,358 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) [2024-11-28 03:04:35,419 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. [2024-11-28 03:04:35,420 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 [2024-11-28 03:04:35,421 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) [2024-11-28 03:04:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-28 03:04:35,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-28 03:04:35,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:35,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 16 letters. Loop has 5 letters. [2024-11-28 03:04:35,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:35,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 10 letters. [2024-11-28 03:04:35,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:04:35,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 86 transitions. [2024-11-28 03:04:35,428 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:04:35,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 0 states and 0 transitions. [2024-11-28 03:04:35,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 03:04:35,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 03:04:35,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 03:04:35,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:04:35,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:04:35,431 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:04:35,431 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:04:35,431 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 03:04:35,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:04:35,431 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:04:35,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 03:04:35,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:04:35 BoogieIcfgContainer [2024-11-28 03:04:35,440 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:04:35,441 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:04:35,441 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:04:35,441 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:04:35,442 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:30" (3/4) ... [2024-11-28 03:04:35,443 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:04:35,444 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:04:35,445 INFO L158 Benchmark]: Toolchain (without parser) took 5141.78ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 65.8MB in the end (delta: 18.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-28 03:04:35,445 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:04:35,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.65ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 74.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:04:35,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.25ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:04:35,446 INFO L158 Benchmark]: Boogie Preprocessor took 38.86ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:04:35,446 INFO L158 Benchmark]: RCFGBuilder took 307.14ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 61.7MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:04:35,446 INFO L158 Benchmark]: BuchiAutomizer took 4507.87ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 66.5MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:04:35,447 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 65.8MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:04:35,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.65ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 74.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.25ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.86ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.14ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 61.7MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4507.87ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 66.5MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 65.8MB in the end (delta: 27.7kB). 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 4.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 3.0s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. 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, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.2s 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: 35ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 03:04:35,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0696d03-d0e0-4eb7-896f-aa8b3b9120e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE