./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/sum_10x0-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/sum_10x0-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme --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 32bit --witnessprinter.graph.data.programhash 68d0cd7d514b491e1404560081afc21267eb1b3dae98cdb9832a8634357d65e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:13,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:13,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:42:13,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:13,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:13,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:13,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:13,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:13,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:13,444 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:13,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:13,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:13,445 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:13,447 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:42:13,448 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:42:13,448 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:42:13,449 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:42:13,449 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:42:13,450 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:42:13,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:13,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:42:13,451 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:42:13,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:13,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:42:13,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:13,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:42:13,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:42:13,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:42:13,454 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:42:13,454 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:42:13,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:13,456 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:42:13,456 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:13,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:13,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:13,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:13,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:13,458 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:42:13,458 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68d0cd7d514b491e1404560081afc21267eb1b3dae98cdb9832a8634357d65e4 [2023-11-26 10:42:13,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:13,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:13,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:13,812 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:13,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:13,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2023-11-26 10:42:17,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:17,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:17,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2023-11-26 10:42:17,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/data/055e6bae0/de9c266e41114108ba82db5763517069/FLAG7f8b7551a [2023-11-26 10:42:17,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/data/055e6bae0/de9c266e41114108ba82db5763517069 [2023-11-26 10:42:17,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:17,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:17,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:17,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:17,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:17,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a4f685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17, skipping insertion in model container [2023-11-26 10:42:17,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:17,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:17,557 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:17,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:17,589 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:17,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17 WrapperNode [2023-11-26 10:42:17,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:17,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:17,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:17,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:17,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,624 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2023-11-26 10:42:17,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:17,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:17,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:17,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:17,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,653 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]. [2023-11-26 10:42:17,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:17,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:17,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:17,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:17,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:17,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:17,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:17,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:42:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:42:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2023-11-26 10:42:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2023-11-26 10:42:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:42:17,821 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:42:17,823 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:42:17,927 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:42:17,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:42:17,936 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:42:17,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:17 BoogieIcfgContainer [2023-11-26 10:42:17,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:42:17,939 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:42:17,940 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:42:17,952 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:42:17,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:17,953 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:42:17" (1/3) ... [2023-11-26 10:42:17,954 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c7ef7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:17, skipping insertion in model container [2023-11-26 10:42:17,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:17,955 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (2/3) ... [2023-11-26 10:42:17,955 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c7ef7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:17, skipping insertion in model container [2023-11-26 10:42:17,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:17,955 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:17" (3/3) ... [2023-11-26 10:42:17,957 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum_10x0-1.c [2023-11-26 10:42:18,013 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:42:18,014 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:42:18,014 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:42:18,014 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:42:18,014 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:42:18,014 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:42:18,015 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:42:18,015 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:42:18,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:42:18,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:18,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:18,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:18,047 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:42:18,048 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:18,048 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:42:18,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:42:18,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:18,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:18,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:18,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:42:18,051 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:18,059 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~a~0#1, main_~b~0#1, main_~result~0#1;main_~a~0#1 := 10;main_~b~0#1 := 0; 2#L16true call main_#t~ret5#1 := sum(main_~a~0#1, main_~b~0#1);< 9#$Ultimate##0true [2023-11-26 10:42:18,060 INFO L750 eck$LassoCheckResult]: Loop: 9#$Ultimate##0true ~n := #in~n;~m := #in~m; 15#L6true assume !(~n <= 0); 13#L9true call #t~ret4 := sum(~n - 1, 1 + ~m);< 9#$Ultimate##0true [2023-11-26 10:42:18,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,066 INFO L85 PathProgramCache]: Analyzing trace with hash 29878, now seen corresponding path program 1 times [2023-11-26 10:42:18,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508163828] [2023-11-26 10:42:18,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:18,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,201 INFO L85 PathProgramCache]: Analyzing trace with hash 46806, now seen corresponding path program 1 times [2023-11-26 10:42:18,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990290921] [2023-11-26 10:42:18,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:18,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,219 INFO L85 PathProgramCache]: Analyzing trace with hash 890112513, now seen corresponding path program 1 times [2023-11-26 10:42:18,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838195425] [2023-11-26 10:42:18,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:18,389 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:18,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:18,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:18,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:18,390 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:42:18,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,391 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:18,391 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:18,391 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_10x0-1.c_Iteration1_Loop [2023-11-26 10:42:18,391 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:18,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:18,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,486 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:18,487 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:42:18,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:42:18,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:18,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:42:18,547 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:42:18,548 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#t~ret4=0} Honda state: {sum_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:42:18,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:42:18,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:18,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:42:18,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:42:18,609 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:42:18,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,619 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:42:18,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:18,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:42:18,653 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:42:18,653 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~n=0} Honda state: {sum_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:42:18,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,664 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:42:18,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:18,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:42:18,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,735 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:42:18,746 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:18,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:42:18,841 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 10:42:18,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,850 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:18,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:18,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:18,851 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:18,851 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:18,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:18,851 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:18,851 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_10x0-1.c_Iteration1_Loop [2023-11-26 10:42:18,851 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:18,851 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:18,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,930 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:18,935 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:42:18,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,940 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,949 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 [2023-11-26 10:42:18,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:18,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:18,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:18,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:18,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:18,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:42:18,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:18,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:18,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:18,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:42:18,990 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 [2023-11-26 10:42:19,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:19,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:19,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,028 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,036 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 [2023-11-26 10:42:19,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:19,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:19,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:42:19,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,066 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,070 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 [2023-11-26 10:42:19,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:19,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:19,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:42:19,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,101 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,115 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 [2023-11-26 10:42:19,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:19,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:19,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:42:19,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:42:19,151 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-26 10:42:19,151 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 10:42:19,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,181 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:42:19,184 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:42:19,184 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 10:42:19,184 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:42:19,185 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] [2023-11-26 10:42:19,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,200 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 10:42:19,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:19,371 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 [2023-11-26 10:42:19,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-26 10:42:19,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 31 states and 36 transitions. Complement of second has 12 states. [2023-11-26 10:42:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-26 10:42:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2023-11-26 10:42:19,509 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-26 10:42:19,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:19,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-26 10:42:19,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:19,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-26 10:42:19,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:19,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2023-11-26 10:42:19,515 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:42:19,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2023-11-26 10:42:19,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 10:42:19,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 10:42:19,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 10:42:19,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:42:19,521 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:19,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:19,521 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:19,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:42:19,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:42:19,522 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:42:19,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:42:19,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:42:19 BoogieIcfgContainer [2023-11-26 10:42:19,529 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:42:19,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:42:19,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:42:19,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:42:19,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:17" (3/4) ... [2023-11-26 10:42:19,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:42:19,534 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:42:19,535 INFO L158 Benchmark]: Toolchain (without parser) took 2186.33ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 54.2MB in the end (delta: 86.8MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:19,535 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:19,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.20ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 130.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:42:19,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.43ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 128.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:19,537 INFO L158 Benchmark]: Boogie Preprocessor took 42.14ms. Allocated memory is still 180.4MB. Free memory was 128.8MB in the beginning and 127.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:19,540 INFO L158 Benchmark]: RCFGBuilder took 269.62ms. Allocated memory is still 180.4MB. Free memory was 127.6MB in the beginning and 118.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 10:42:19,540 INFO L158 Benchmark]: BuchiAutomizer took 1589.39ms. Allocated memory is still 180.4MB. Free memory was 118.3MB in the beginning and 54.2MB in the end (delta: 64.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-26 10:42:19,541 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 180.4MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:19,544 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.20ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 130.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.43ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 128.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.14ms. Allocated memory is still 180.4MB. Free memory was 128.8MB in the beginning and 127.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.62ms. Allocated memory is still 180.4MB. Free memory was 127.6MB in the beginning and 118.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1589.39ms. Allocated memory is still 180.4MB. Free memory was 118.3MB in the beginning and 54.2MB in the end (delta: 64.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 180.4MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 10:42:19,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b47c5fd-f070-4586-9a3e-3178f76a5c60/bin/uautomizer-verify-VRDe98Ueme/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