./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx --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 fd975cc2a01973f9ff4e653eb22c285998b2ad4afa4fc6d69590e228bd13187c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:56:53,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:56:53,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 20:56:53,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:56:53,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:56:53,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:56:53,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:56:53,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:56:53,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:56:53,255 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:56:53,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:56:53,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:56:53,257 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:56:53,257 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 20:56:53,258 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 20:56:53,258 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 20:56:53,259 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 20:56:53,259 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 20:56:53,260 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 20:56:53,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:56:53,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 20:56:53,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:56:53,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:56:53,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 20:56:53,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 20:56:53,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 20:56:53,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:56:53,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:56:53,264 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 20:56:53,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:56:53,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:56:53,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:56:53,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:56:53,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:56:53,268 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 20:56:53,268 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_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd975cc2a01973f9ff4e653eb22c285998b2ad4afa4fc6d69590e228bd13187c [2023-11-21 20:56:53,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:56:53,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:56:53,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:56:53,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:56:53,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:56:53,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i [2023-11-21 20:56:56,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:56:57,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:56:57,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/sv-benchmarks/c/termination-bwb/counting-bits-BK.i [2023-11-21 20:56:57,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/data/98e24dde2/812862560f464edb9d6eea7935b5f015/FLAG331c6c7a2 [2023-11-21 20:56:57,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/data/98e24dde2/812862560f464edb9d6eea7935b5f015 [2023-11-21 20:56:57,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:56:57,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:56:57,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:56:57,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:56:57,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:56:57,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470903a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57, skipping insertion in model container [2023-11-21 20:56:57,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:56:57,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:56:57,437 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:56:57,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:56:57,464 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:56:57,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57 WrapperNode [2023-11-21 20:56:57,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:56:57,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:56:57,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:56:57,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:56:57,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,498 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2023-11-21 20:56:57,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:56:57,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:56:57,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:56:57,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:56:57,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,511 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,520 INFO L187 HeapSplitter]: Split 0 memory accesses to 0 slices as follows [] [2023-11-21 20:56:57,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:56:57,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:56:57,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:56:57,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:56:57,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (1/1) ... [2023-11-21 20:56:57,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:57,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:57,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:57,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 20:56:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:56:57,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:56:57,693 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:56:57,695 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:56:57,813 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:56:57,822 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:56:57,823 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 20:56:57,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:56:57 BoogieIcfgContainer [2023-11-21 20:56:57,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:56:57,826 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 20:56:57,826 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 20:56:57,831 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 20:56:57,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:56:57,832 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 08:56:57" (1/3) ... [2023-11-21 20:56:57,833 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40d974fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:56:57, skipping insertion in model container [2023-11-21 20:56:57,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:56:57,834 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:57" (2/3) ... [2023-11-21 20:56:57,834 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40d974fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:56:57, skipping insertion in model container [2023-11-21 20:56:57,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:56:57,835 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:56:57" (3/3) ... [2023-11-21 20:56:57,837 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-BK.i [2023-11-21 20:56:57,895 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 20:56:57,896 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 20:56:57,896 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 20:56:57,896 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 20:56:57,896 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 20:56:57,897 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 20:56:57,897 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 20:56:57,897 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 20:56:57,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-11-21 20:56:57,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:56:57,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:56:57,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:56:57,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 20:56:57,934 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 20:56:57,934 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 20:56:57,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-11-21 20:56:57,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:56:57,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:56:57,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:56:57,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 20:56:57,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 20:56:57,944 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet3#1, main_#t~post2#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 13#L12true assume ~v~0 >= 0;~c~0 := 0; 5#L13-3true [2023-11-21 20:56:57,945 INFO L750 eck$LassoCheckResult]: Loop: 5#L13-3true assume !!(0 != ~v~0); 7#L14true assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~nondet3#1 := 0; 4#L14-4true ~v~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 9#L13-2true main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5#L13-3true [2023-11-21 20:56:57,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:56:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-11-21 20:56:57,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:56:57,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963397631] [2023-11-21 20:56:57,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:56:57,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:56:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:58,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:56:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:58,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:56:58,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:56:58,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1326982, now seen corresponding path program 1 times [2023-11-21 20:56:58,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:56:58,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93051565] [2023-11-21 20:56:58,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:56:58,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:56:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:58,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:56:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:58,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:56:58,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:56:58,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1805089703, now seen corresponding path program 1 times [2023-11-21 20:56:58,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:56:58,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191112271] [2023-11-21 20:56:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:56:58,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:56:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:58,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:56:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:58,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:56:58,358 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:56:58,358 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:56:58,358 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:56:58,358 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:56:58,359 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:56:58,359 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,359 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:56:58,359 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:56:58,359 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration1_Loop [2023-11-21 20:56:58,359 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:56:58,360 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:56:58,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:58,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:58,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:58,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:58,455 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:56:58,456 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:56:58,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:58,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:58,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:56:58,476 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:58,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 20:56:58,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:58,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:58,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:58,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 20:56:58,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:56:58,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:58,572 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:56:58,573 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=4}, {~c~0=-3}, {~c~0=0}] Lambdas: [1, 1, 15] Nus: [0, 0] [2023-11-21 20:56:58,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:58,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:58,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:58,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:56:58,605 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:58,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 20:56:58,637 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:56:58,637 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:56:58,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:58,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:58,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:58,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 20:56:58,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:56:58,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:58,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:58,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:58,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:58,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 20:56:58,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:56:58,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:58,748 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:56:58,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:58,772 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:56:58,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:56:58,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:56:58,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:56:58,772 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:56:58,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:56:58,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:56:58,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration1_Loop [2023-11-21 20:56:58,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:56:58,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:56:58,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:58,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:58,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:58,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:58,833 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:56:58,838 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:56:58,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:58,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:58,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 20:56:58,847 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 [2023-11-21 20:56:58,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:56:58,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:56:58,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:56:58,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:56:58,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:56:58,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:56:58,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:56:58,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:56:58,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:58,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:58,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:58,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 20:56:58,899 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 [2023-11-21 20:56:58,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:56:58,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:56:58,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:56:58,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:56:58,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:56:58,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:56:58,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:56:58,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:56:58,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:58,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:58,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:58,977 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:58,985 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 [2023-11-21 20:56:58,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:56:58,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:56:58,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:56:58,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:56:58,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:56:59,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:56:59,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:56:59,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 20:56:59,020 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:56:59,023 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-21 20:56:59,023 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 20:56:59,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:59,049 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:59,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 20:56:59,057 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:56:59,057 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 20:56:59,057 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:56:59,057 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2023-11-21 20:56:59,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:59,084 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 20:56:59,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:56:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:56:59,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 20:56:59,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:56:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:56:59,136 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 20:56:59,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:56:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:56:59,241 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-21 20:56:59,244 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:56:59,332 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 65 transitions. Complement of second has 10 states. [2023-11-21 20:56:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 20:56:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:56:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2023-11-21 20:56:59,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-21 20:56:59,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:56:59,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-21 20:56:59,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:56:59,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 3 letters. Loop has 8 letters. [2023-11-21 20:56:59,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:56:59,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 65 transitions. [2023-11-21 20:56:59,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:56:59,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 18 states and 22 transitions. [2023-11-21 20:56:59,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-21 20:56:59,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-21 20:56:59,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2023-11-21 20:56:59,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 20:56:59,356 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-21 20:56:59,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2023-11-21 20:56:59,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-21 20:56:59,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 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) [2023-11-21 20:56:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-21 20:56:59,382 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-21 20:56:59,383 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-21 20:56:59,383 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 20:56:59,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-21 20:56:59,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:56:59,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:56:59,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:56:59,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 20:56:59,386 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 20:56:59,386 INFO L748 eck$LassoCheckResult]: Stem: 127#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet3#1, main_#t~post2#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; 129#L12 assume ~v~0 >= 0;~c~0 := 0; 131#L13-3 assume !!(0 != ~v~0); 125#L14 assume !(0 == ~v~0 || 0 == ~v~0 - 1); 130#L14-2 assume !(~v~0 == ~v~0 - 1);assume (~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 <= ~v~0;assume (~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 <= ~v~0 - 1;assume (~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 >= 0;assume (~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 > ~v~0 + (~v~0 - 1);assume main_#t~nondet3#1 >= -2147483648; 118#L14-4 [2023-11-21 20:56:59,386 INFO L750 eck$LassoCheckResult]: Loop: 118#L14-4 ~v~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 119#L13-2 main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 122#L13-3 assume !!(0 != ~v~0); 132#L14 assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~nondet3#1 := 0; 118#L14-4 [2023-11-21 20:56:59,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:56:59,387 INFO L85 PathProgramCache]: Analyzing trace with hash 889512752, now seen corresponding path program 1 times [2023-11-21 20:56:59,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:56:59,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873873205] [2023-11-21 20:56:59,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:56:59,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:56:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:59,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:56:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:59,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:56:59,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:56:59,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1694662, now seen corresponding path program 2 times [2023-11-21 20:56:59,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:56:59,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567642112] [2023-11-21 20:56:59,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:56:59,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:56:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:59,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:56:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:59,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:56:59,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:56:59,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1802793099, now seen corresponding path program 1 times [2023-11-21 20:56:59,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:56:59,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092479080] [2023-11-21 20:56:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:56:59,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:56:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:59,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:56:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:56:59,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:56:59,498 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:56:59,498 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:56:59,498 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:56:59,498 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:56:59,499 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:56:59,499 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,499 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:56:59,499 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:56:59,499 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration2_Loop [2023-11-21 20:56:59,499 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:56:59,499 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:56:59,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:59,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:59,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:59,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:59,555 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:56:59,555 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:56:59,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:59,557 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:59,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 20:56:59,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:56:59,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:59,593 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:56:59,593 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=1} Honda state: {~v~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:56:59,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:59,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:59,614 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:59,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 20:56:59,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:56:59,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:59,635 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:56:59,636 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:56:59,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:59,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:59,658 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:59,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:56:59,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:59,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 20:56:59,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:59,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:59,718 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:59,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:56:59,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:59,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 20:56:59,770 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:56:59,770 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=4}, {~c~0=-3}, {~c~0=0}] Lambdas: [1, 1, 15] Nus: [0, 0] [2023-11-21 20:56:59,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:59,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:59,795 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:59,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:56:59,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:59,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 20:56:59,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:59,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:59,852 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:59,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:56:59,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:56:59,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 20:56:59,892 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:56:59,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 20:56:59,910 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:56:59,910 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:56:59,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:56:59,911 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:56:59,911 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:56:59,911 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,911 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:56:59,911 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:56:59,911 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration2_Loop [2023-11-21 20:56:59,911 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:56:59,911 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:56:59,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:59,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:59,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:59,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:56:59,981 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:56:59,981 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:56:59,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:56:59,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:59,983 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:00,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:00,017 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 [2023-11-21 20:57:00,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 20:57:00,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:00,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:00,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:00,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:00,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:00,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:57:00,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:00,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:57:00,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:00,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:00,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:00,066 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:00,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 20:57:00,069 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 [2023-11-21 20:57:00,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:00,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:00,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:00,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:00,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:00,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:57:00,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:00,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:57:00,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:00,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:00,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:00,122 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:00,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 20:57:00,129 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 [2023-11-21 20:57:00,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:00,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:00,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:00,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:00,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:00,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:57:00,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:00,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:57:00,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:00,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:00,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:00,187 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:00,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 20:57:00,198 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 [2023-11-21 20:57:00,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:00,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:00,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:00,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:00,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:00,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:57:00,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:00,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:57:00,252 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 20:57:00,253 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 20:57:00,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:00,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:00,257 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:00,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 20:57:00,264 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:57:00,264 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 20:57:00,264 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:57:00,264 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet3#1) = 1*ULTIMATE.start_main_#t~nondet3#1 Supporting invariants [] [2023-11-21 20:57:00,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:00,282 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 20:57:00,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-21 20:57:00,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:00,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 20:57:00,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:00,332 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 20:57:00,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:00,378 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 [2023-11-21 20:57:00,378 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:00,423 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 37 transitions. Complement of second has 9 states. [2023-11-21 20:57:00,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 20:57:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2023-11-21 20:57:00,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-21 20:57:00,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:00,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-21 20:57:00,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:00,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-21 20:57:00,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:00,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2023-11-21 20:57:00,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:57:00,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 24 states and 29 transitions. [2023-11-21 20:57:00,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-21 20:57:00,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-21 20:57:00,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 29 transitions. [2023-11-21 20:57:00,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 20:57:00,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-21 20:57:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 29 transitions. [2023-11-21 20:57:00,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-11-21 20:57:00,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 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) [2023-11-21 20:57:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2023-11-21 20:57:00,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-21 20:57:00,444 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-21 20:57:00,444 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 20:57:00,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2023-11-21 20:57:00,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:57:00,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:00,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:00,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:00,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 20:57:00,446 INFO L748 eck$LassoCheckResult]: Stem: 231#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 232#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet3#1, main_#t~post2#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 233#L12 assume ~v~0 >= 0;~c~0 := 0; 238#L13-3 assume !!(0 != ~v~0); 229#L14 assume !(0 == ~v~0 || 0 == ~v~0 - 1); 234#L14-2 assume !(~v~0 == ~v~0 - 1);assume (~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 <= ~v~0;assume (~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 <= ~v~0 - 1;assume (~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 >= 0;assume (~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 > ~v~0 + (~v~0 - 1);assume main_#t~nondet3#1 >= -2147483648; 236#L14-4 ~v~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 222#L13-2 [2023-11-21 20:57:00,446 INFO L750 eck$LassoCheckResult]: Loop: 222#L13-2 main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 225#L13-3 assume !!(0 != ~v~0); 243#L14 assume !(0 == ~v~0 || 0 == ~v~0 - 1); 242#L14-2 assume !(~v~0 == ~v~0 - 1);assume (~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 <= ~v~0;assume (~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 <= ~v~0 - 1;assume (~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 >= 0;assume (~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 > ~v~0 + (~v~0 - 1);assume main_#t~nondet3#1 >= -2147483648; 221#L14-4 ~v~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 222#L13-2 [2023-11-21 20:57:00,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:00,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1805091561, now seen corresponding path program 1 times [2023-11-21 20:57:00,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:00,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079660129] [2023-11-21 20:57:00,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:00,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:00,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:00,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:00,491 INFO L85 PathProgramCache]: Analyzing trace with hash 53969537, now seen corresponding path program 1 times [2023-11-21 20:57:00,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:00,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595053247] [2023-11-21 20:57:00,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:00,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:00,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:00,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:00,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:00,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1612345191, now seen corresponding path program 1 times [2023-11-21 20:57:00,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:00,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862575779] [2023-11-21 20:57:00,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:00,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:00,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:00,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:00,734 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:57:00,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:57:00,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:57:00,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:57:00,735 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:57:00,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:00,735 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:57:00,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:57:00,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration3_Loop [2023-11-21 20:57:00,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:57:00,735 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:57:00,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:00,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:00,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:00,885 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:57:00,885 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:57:00,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:00,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:00,889 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:00,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:57:00,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:00,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 20:57:00,916 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:57:00,916 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:57:00,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:00,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:00,931 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:00,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 20:57:00,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:57:00,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:00,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-21 20:57:00,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:00,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:00,956 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:00,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 20:57:00,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:57:00,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:00,995 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:57:00,996 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=4}, {~c~0=-3}, {~c~0=0}] Lambdas: [1, 1, 15] Nus: [0, 0] [2023-11-21 20:57:01,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-21 20:57:01,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:01,014 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 20:57:01,016 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:57:01,016 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:01,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:01,120 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:01,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 20:57:01,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:57:01,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:01,172 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:57:01,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:01,177 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:57:01,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:57:01,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:57:01,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:57:01,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:57:01,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:01,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:57:01,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:57:01,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration3_Loop [2023-11-21 20:57:01,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:57:01,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:57:01,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:01,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:01,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:01,327 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:57:01,327 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:57:01,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:01,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:01,328 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:01,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 20:57:01,333 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 [2023-11-21 20:57:01,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:01,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:01,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:01,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:01,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:01,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:57:01,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:01,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:57:01,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:01,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:01,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:01,385 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:01,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 20:57:01,395 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 [2023-11-21 20:57:01,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:01,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:01,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:01,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:01,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:01,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:57:01,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:01,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:57:01,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-21 20:57:01,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:01,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:01,433 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:01,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 20:57:01,438 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 [2023-11-21 20:57:01,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:01,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:01,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:01,448 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 20:57:01,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:01,450 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 20:57:01,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:01,455 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:57:01,458 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 20:57:01,458 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 20:57:01,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:01,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:01,460 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:01,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 20:57:01,461 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:57:01,461 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 20:57:01,461 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:57:01,461 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 2*~v~0 + 4294967295 Supporting invariants [] [2023-11-21 20:57:01,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-21 20:57:01,475 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 20:57:01,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:01,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 20:57:01,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:01,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 20:57:01,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:01,646 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 [2023-11-21 20:57:01,646 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2023-11-21 20:57:01,748 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) Result 52 states and 62 transitions. Complement of second has 8 states. [2023-11-21 20:57:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 20:57:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2023-11-21 20:57:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-21 20:57:01,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-21 20:57:01,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:01,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 5 letters. [2023-11-21 20:57:01,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:01,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 7 letters. Loop has 10 letters. [2023-11-21 20:57:01,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:01,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 62 transitions. [2023-11-21 20:57:01,759 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 20:57:01,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2023-11-21 20:57:01,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 20:57:01,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 20:57:01,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 20:57:01,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:01,760 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:01,760 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:01,761 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:01,761 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 20:57:01,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 20:57:01,761 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 20:57:01,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 20:57:01,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 08:57:01 BoogieIcfgContainer [2023-11-21 20:57:01,770 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 20:57:01,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:57:01,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:57:01,771 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:57:01,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:56:57" (3/4) ... [2023-11-21 20:57:01,773 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 20:57:01,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:57:01,775 INFO L158 Benchmark]: Toolchain (without parser) took 4590.10ms. Allocated memory is still 148.9MB. Free memory was 108.5MB in the beginning and 48.7MB in the end (delta: 59.8MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2023-11-21 20:57:01,775 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:01,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.42ms. Allocated memory is still 148.9MB. Free memory was 108.5MB in the beginning and 98.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 20:57:01,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.74ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 97.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:01,777 INFO L158 Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 148.9MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:01,777 INFO L158 Benchmark]: RCFGBuilder took 288.54ms. Allocated memory is still 148.9MB. Free memory was 95.9MB in the beginning and 87.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 20:57:01,778 INFO L158 Benchmark]: BuchiAutomizer took 3944.02ms. Allocated memory is still 148.9MB. Free memory was 87.0MB in the beginning and 48.7MB in the end (delta: 38.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-11-21 20:57:01,778 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 148.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:01,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.42ms. Allocated memory is still 148.9MB. Free memory was 108.5MB in the beginning and 98.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.74ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 97.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.91ms. Allocated memory is still 148.9MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.54ms. Allocated memory is still 148.9MB. Free memory was 95.9MB in the beginning and 87.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3944.02ms. Allocated memory is still 148.9MB. Free memory was 87.0MB in the beginning and 48.7MB in the end (delta: 38.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 148.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function v and consists of 6 locations. One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function ((2 * v) + 4294967295) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 31 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf90 smp100 dnf234 smp73 tf110 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 20:57:01,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-21 20:57:02,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-21 20:57:02,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119c944-7129-4056-b37c-f8b2b00b6378/bin/uautomizer-verify-bycVGegfSx/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