./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/counting-bits-set.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/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_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-set.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/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 64bit --witnessprinter.graph.data.programhash 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:51,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:51,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 12:00:51,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:51,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:51,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:51,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:51,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:51,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:51,950 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:51,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:51,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:51,953 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:51,956 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 12:00:51,957 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 12:00:51,957 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 12:00:51,958 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 12:00:51,960 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 12:00:51,961 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 12:00:51,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:51,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 12:00:51,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:51,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:51,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 12:00:51,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 12:00:51,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 12:00:51,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:00:51,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:51,967 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 12:00:51,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:51,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:51,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:51,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:51,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:51,971 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 12:00:51,971 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_8f1763f6-51ee-4d16-9519-d040c688a044/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 [2023-11-26 12:00:52,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:52,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:52,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:52,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:52,387 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:52,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-bwb/counting-bits-set.i [2023-11-26 12:00:55,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:55,972 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:55,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/sv-benchmarks/c/termination-bwb/counting-bits-set.i [2023-11-26 12:00:55,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/data/b9dbf6f02/3dffbaf260a14d0e923f083cebb03704/FLAGa84d8c098 [2023-11-26 12:00:55,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/data/b9dbf6f02/3dffbaf260a14d0e923f083cebb03704 [2023-11-26 12:00:56,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:56,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:56,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:56,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:56,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:56,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639eeb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56, skipping insertion in model container [2023-11-26 12:00:56,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:56,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:56,240 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:56,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:56,270 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:56,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56 WrapperNode [2023-11-26 12:00:56,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:56,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:56,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:56,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:56,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,310 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-11-26 12:00:56,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:56,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:56,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:56,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:56,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,333 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,342 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-26 12:00:56,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:56,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:56,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:56,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:56,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (1/1) ... [2023-11-26 12:00:56,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:56,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:56,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:56,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:56,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:56,569 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:56,752 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:56,770 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:56,775 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:00:56,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:56 BoogieIcfgContainer [2023-11-26 12:00:56,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:56,779 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 12:00:56,780 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 12:00:56,785 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 12:00:56,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:00:56,787 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 12:00:56" (1/3) ... [2023-11-26 12:00:56,790 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74325efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:00:56, skipping insertion in model container [2023-11-26 12:00:56,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:00:56,791 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:56" (2/3) ... [2023-11-26 12:00:56,794 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74325efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:00:56, skipping insertion in model container [2023-11-26 12:00:56,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:00:56,795 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:56" (3/3) ... [2023-11-26 12:00:56,800 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-set.i [2023-11-26 12:00:56,936 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 12:00:56,939 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 12:00:56,939 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 12:00:56,939 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 12:00:56,939 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 12:00:56,940 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 12:00:56,940 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 12:00:56,941 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 12:00:56,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:56,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:00:56,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:56,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:56,981 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 12:00:56,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:00:56,985 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 12:00:56,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:56,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:00:56,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:56,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:56,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 12:00:56,990 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:00:57,000 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L12true assume ~v~0 >= 0;~c~0 := 0; 7#L13-3true [2023-11-26 12:00:57,000 INFO L750 eck$LassoCheckResult]: Loop: 7#L13-3true assume !!(0 != ~v~0);~z~0 := ~v~0 % 2;~c~0 := ~c~0 + ~z~0; 5#L13-2true ~v~0 := ~v~0 / 2; 7#L13-3true [2023-11-26 12:00:57,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-11-26 12:00:57,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:57,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793238757] [2023-11-26 12:00:57,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:57,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:57,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:57,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:57,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:57,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1379, now seen corresponding path program 1 times [2023-11-26 12:00:57,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:57,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91870203] [2023-11-26 12:00:57,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:57,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:57,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:57,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:57,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:57,203 INFO L85 PathProgramCache]: Analyzing trace with hash 28693956, now seen corresponding path program 1 times [2023-11-26 12:00:57,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:57,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333122661] [2023-11-26 12:00:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:57,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:57,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:57,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:57,351 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:57,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:57,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:57,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:57,353 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 12:00:57,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:57,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:57,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:57,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Loop [2023-11-26 12:00:57,354 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:57,354 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:57,374 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 12:00:57,643 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:57,644 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 12:00:57,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:57,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:57,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:57,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:57,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:57,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 12:00:57,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:57,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:57,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:57,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:57,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 12:00:57,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 12:00:57,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:58,043 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:58,043 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=-1, ~z~0=6, ~c~0=0} Honda state: {~v~0=-1, ~z~0=6, ~c~0=0} Generalized eigenvectors: [{~v~0=0, ~z~0=0, ~c~0=1}, {~v~0=0, ~z~0=1, ~c~0=0}, {~v~0=0, ~z~0=-6, ~c~0=0}] Lambdas: [1, 6, 0] Nus: [0, 1] [2023-11-26 12:00:58,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:58,142 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:58,142 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:58,142 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:58,143 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:58,143 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 12:00:58,144 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:58,144 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:58,144 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:58,144 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Lasso [2023-11-26 12:00:58,144 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:58,145 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:58,149 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 12:00:58,153 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 12:00:58,157 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 12:00:58,161 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 12:00:58,210 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 12:00:58,483 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:58,483 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 12:00:58,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:58,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:58,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:58,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:58,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:58,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 12:00:58,526 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:58,526 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~y~0=0} Honda state: {~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 12:00:58,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:58,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:58,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:58,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:58,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:58,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:58,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 12:00:58,575 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:58,575 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 12:00:58,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:58,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:58,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:58,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:58,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:58,599 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:58,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 12:00:58,629 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:58,629 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 12:00:58,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:58,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:58,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:58,641 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:58,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:58,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:58,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 12:00:58,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:58,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:58,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:58,704 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:58,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 12:00:58,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:58,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 12:00:58,955 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 12:00:58,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:58,969 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:58,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:58,969 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:58,969 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:58,969 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:00:58,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:58,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:58,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:58,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Lasso [2023-11-26 12:00:58,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:58,970 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:58,973 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 12:00:58,979 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 12:00:58,985 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 12:00:58,990 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 12:00:58,994 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 12:00:59,242 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:59,247 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:00:59,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:59,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:59,250 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:59,258 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 12:00:59,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 12:00:59,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:59,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:59,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:59,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:59,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:59,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:59,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:59,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:59,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:59,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:59,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:59,300 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:59,310 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 12:00:59,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 12:00:59,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:59,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:59,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:59,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:59,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:59,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:59,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:59,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:59,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:59,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:59,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:59,356 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:59,370 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 12:00:59,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 12:00:59,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:59,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:59,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:59,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:59,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:59,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:59,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:59,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:59,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:59,407 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:59,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 12:00:59,421 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 12:00:59,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:59,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:59,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:59,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:59,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:59,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:59,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:59,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:59,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:59,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:59,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:59,476 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:59,490 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 12:00:59,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 12:00:59,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:59,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:59,506 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 12:00:59,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:59,562 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 12:00:59,562 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 12:00:59,606 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:00:59,653 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-26 12:00:59,654 INFO L444 ModelExtractionUtils]: 12 out of 21 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-26 12:00:59,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:59,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:59,711 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:59,719 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:00:59,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 12:00:59,759 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-11-26 12:00:59,759 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:00:59,760 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [1*~v~0 >= 0] [2023-11-26 12:00:59,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:59,773 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-11-26 12:00:59,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:59,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:59,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:59,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:59,923 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:00:59,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:59,960 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 12:01:00,018 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 12:01:00,020 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:00,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 30 transitions. Complement of second has 7 states. [2023-11-26 12:01:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 12:01:00,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:00,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2023-11-26 12:01:00,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-26 12:01:00,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:01:00,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-26 12:01:00,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:01:00,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-26 12:01:00,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:01:00,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2023-11-26 12:01:00,141 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:01:00,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2023-11-26 12:01:00,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 12:01:00,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 12:01:00,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 12:01:00,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:00,149 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:01:00,149 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:01:00,150 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:01:00,150 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 12:01:00,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:01:00,156 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:01:00,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 12:01:00,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 12:01:00 BoogieIcfgContainer [2023-11-26 12:01:00,165 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 12:01:00,166 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:01:00,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:01:00,166 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:01:00,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:56" (3/4) ... [2023-11-26 12:01:00,169 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:01:00,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:01:00,177 INFO L158 Benchmark]: Toolchain (without parser) took 4150.77ms. Allocated memory is still 161.5MB. Free memory was 133.5MB in the beginning and 118.4MB in the end (delta: 15.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-26 12:01:00,178 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:00,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.29ms. Allocated memory is still 161.5MB. Free memory was 133.5MB in the beginning and 123.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:01:00,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.18ms. Allocated memory is still 161.5MB. Free memory was 123.9MB in the beginning and 122.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:00,181 INFO L158 Benchmark]: Boogie Preprocessor took 43.25ms. Allocated memory is still 161.5MB. Free memory was 122.8MB in the beginning and 121.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:00,181 INFO L158 Benchmark]: RCFGBuilder took 422.29ms. Allocated memory is still 161.5MB. Free memory was 121.2MB in the beginning and 112.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:01:00,185 INFO L158 Benchmark]: BuchiAutomizer took 3386.23ms. Allocated memory is still 161.5MB. Free memory was 112.8MB in the beginning and 118.8MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:00,185 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 118.4MB in the end (delta: 394.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:00,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.29ms. Allocated memory is still 161.5MB. Free memory was 133.5MB in the beginning and 123.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.18ms. Allocated memory is still 161.5MB. Free memory was 123.9MB in the beginning and 122.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.25ms. Allocated memory is still 161.5MB. Free memory was 122.8MB in the beginning and 121.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.29ms. Allocated memory is still 161.5MB. Free memory was 121.2MB in the beginning and 112.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3386.23ms. Allocated memory is still 161.5MB. Free memory was 112.8MB in the beginning and 118.8MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 118.4MB in the end (delta: 394.6kB). 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 v and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div374 bol100 ite100 ukn100 eq139 hnf95 smp49 dnf170 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 285ms VariablesStem: 3 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 12:01:00,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1763f6-51ee-4d16-9519-d040c688a044/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