./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU --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 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:02:33,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:02:33,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:02:33,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:02:33,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:33,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:33,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:33,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:33,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:02:33,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:02:33,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:33,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:33,343 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:33,344 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:02:33,344 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:02:33,345 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:02:33,345 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:02:33,346 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:02:33,346 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:02:33,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:33,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:02:33,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:02:33,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:33,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:02:33,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:02:33,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:02:33,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:33,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:02:33,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:33,352 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:02:33,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:33,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:33,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:33,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:33,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:02:33,355 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:02:33,356 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_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 [2024-10-31 22:02:33,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:33,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:33,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:33,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:33,725 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:33,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-bwb/and-05.c Unable to find full path for "g++" [2024-10-31 22:02:35,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:36,083 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:36,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/sv-benchmarks/c/termination-bwb/and-05.c [2024-10-31 22:02:36,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/data/880420ec7/f91ed4cdcde641978a648a0575d3a65d/FLAG474f535a5 [2024-10-31 22:02:36,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/data/880420ec7/f91ed4cdcde641978a648a0575d3a65d [2024-10-31 22:02:36,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:36,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:36,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:36,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:36,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:36,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2686db6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36, skipping insertion in model container [2024-10-31 22:02:36,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:02:36,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:36,384 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:02:36,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:36,416 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:02:36,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36 WrapperNode [2024-10-31 22:02:36,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:36,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:36,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:02:36,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:02:36,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,449 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-10-31 22:02:36,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:36,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:02:36,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:02:36,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:02:36,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,470 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:02:36,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:02:36,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:02:36,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:02:36,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:02:36,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (1/1) ... [2024-10-31 22:02:36,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:36,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:36,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:36,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:36,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:36,655 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:36,658 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:36,830 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-10-31 22:02:36,830 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:36,847 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:36,848 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:02:36,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:36 BoogieIcfgContainer [2024-10-31 22:02:36,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:36,850 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:02:36,850 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:02:36,857 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:02:36,858 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:02:36,858 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:02:36" (1/3) ... [2024-10-31 22:02:36,860 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15d812eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:02:36, skipping insertion in model container [2024-10-31 22:02:36,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:02:36,861 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:36" (2/3) ... [2024-10-31 22:02:36,861 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15d812eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:02:36, skipping insertion in model container [2024-10-31 22:02:36,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:02:36,861 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:36" (3/3) ... [2024-10-31 22:02:36,863 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-05.c [2024-10-31 22:02:36,955 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:02:36,955 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:02:36,955 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:02:36,956 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:02:36,956 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:02:36,956 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:02:36,957 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:02:36,957 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:02:36,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-10-31 22:02:36,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:02:36,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:02:36,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:02:36,992 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:02:36,992 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:02:36,993 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:02:36,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-10-31 22:02:36,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:02:36,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:02:36,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:02:36,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:02:36,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:02:37,005 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L16-2true [2024-10-31 22:02:37,007 INFO L747 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 3#L17true assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~bitwise2#1 := 0; 10#L17-5true main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 8#L16-2true [2024-10-31 22:02:37,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:37,019 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:02:37,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:37,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144476260] [2024-10-31 22:02:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:37,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:37,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:37,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:37,127 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 1 times [2024-10-31 22:02:37,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:37,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88763102] [2024-10-31 22:02:37,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:37,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:37,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:37,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:37,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:37,156 INFO L85 PathProgramCache]: Analyzing trace with hash 28699762, now seen corresponding path program 1 times [2024-10-31 22:02:37,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:37,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412725388] [2024-10-31 22:02:37,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:37,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:37,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:37,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:37,335 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:37,336 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:37,336 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:37,336 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:37,336 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:02:37,336 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:37,337 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:37,337 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:37,337 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2024-10-31 22:02:37,337 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:37,337 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:37,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:37,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:37,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:37,445 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:37,445 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:02:37,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:37,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:37,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:37,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:02:37,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:37,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:37,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:37,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:37,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:37,508 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:37,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:02:37,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:02:37,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:37,542 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:02:37,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:02:37,564 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:37,564 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:37,565 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:37,565 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:37,565 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:02:37,565 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:37,565 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:37,565 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:37,565 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2024-10-31 22:02:37,565 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:37,566 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:37,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:37,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:37,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:37,657 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:37,663 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:02:37,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:37,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:37,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:37,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:02:37,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:37,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:37,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:37,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:37,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:37,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:37,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:37,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:37,700 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:02:37,707 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 22:02:37,708 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:02:37,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:37,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:37,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:37,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:02:37,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:02:37,718 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:02:37,719 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:02:37,720 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-31 22:02:37,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:02:37,749 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:02:37,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:37,803 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:02:37,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:37,828 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:02:37,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:37,965 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:02:37,968 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:38,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 50 transitions. Complement of second has 10 states. [2024-10-31 22:02:38,118 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 [2024-10-31 22:02:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2024-10-31 22:02:38,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 3 letters. [2024-10-31 22:02:38,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:38,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-31 22:02:38,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:38,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-31 22:02:38,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:38,130 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 50 transitions. [2024-10-31 22:02:38,133 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:02:38,139 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 21 states and 29 transitions. [2024-10-31 22:02:38,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:02:38,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 22:02:38,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2024-10-31 22:02:38,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:02:38,143 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2024-10-31 22:02:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2024-10-31 22:02:38,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2024-10-31 22:02:38,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 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) [2024-10-31 22:02:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-10-31 22:02:38,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 22:02:38,177 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 22:02:38,177 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:02:38,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-10-31 22:02:38,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:02:38,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:02:38,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:02:38,179 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:02:38,179 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:02:38,179 INFO L745 eck$LassoCheckResult]: Stem: 107#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 108#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~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 109#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 102#L17 [2024-10-31 22:02:38,180 INFO L747 eck$LassoCheckResult]: Loop: 102#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 96#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~bitwise2#1 := main_~x~0#1 - 1; 97#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 105#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 102#L17 [2024-10-31 22:02:38,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:38,181 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-31 22:02:38,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:38,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485169192] [2024-10-31 22:02:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:38,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:38,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:38,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1419191, now seen corresponding path program 1 times [2024-10-31 22:02:38,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:38,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412541112] [2024-10-31 22:02:38,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:38,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:38,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:38,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1810723038, now seen corresponding path program 1 times [2024-10-31 22:02:38,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:38,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114124442] [2024-10-31 22:02:38,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:38,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:38,302 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:38,302 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:38,303 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:38,303 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:38,303 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:02:38,303 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:38,303 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:38,303 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:38,304 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2024-10-31 22:02:38,304 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:38,304 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:38,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:38,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:38,360 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:38,360 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:02:38,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:38,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:38,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:38,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:02:38,366 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:38,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:38,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:02:38,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:38,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:38,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:38,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:02:38,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:02:38,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:38,550 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:02:38,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:02:38,556 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:38,557 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:38,557 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:38,557 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:38,557 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:02:38,557 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:38,557 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:38,557 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:38,557 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2024-10-31 22:02:38,558 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:38,558 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:38,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:38,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:38,623 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:38,623 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:02:38,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:38,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:38,626 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:38,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:02:38,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:38,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:38,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:38,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:38,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:38,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:38,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:38,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:38,653 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:02:38,658 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:02:38,658 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:02:38,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:38,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:38,662 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:38,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:02:38,670 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:02:38,670 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:02:38,670 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:02:38,670 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-31 22:02:38,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:38,692 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:02:38,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:38,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:02:38,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:38,758 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:02:38,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:38,816 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:02:38,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 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) [2024-10-31 22:02:38,888 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. 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 34 states and 43 transitions. Complement of second has 9 states. [2024-10-31 22:02:38,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:02:38,889 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) [2024-10-31 22:02:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2024-10-31 22:02:38,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-31 22:02:38,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:38,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 4 letters. [2024-10-31 22:02:38,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:38,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 8 letters. [2024-10-31 22:02:38,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:38,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2024-10-31 22:02:38,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:02:38,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 28 states and 37 transitions. [2024-10-31 22:02:38,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:02:38,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 22:02:38,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 37 transitions. [2024-10-31 22:02:38,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:02:38,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2024-10-31 22:02:38,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 37 transitions. [2024-10-31 22:02:38,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2024-10-31 22:02:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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) [2024-10-31 22:02:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2024-10-31 22:02:38,898 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-10-31 22:02:38,898 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-10-31 22:02:38,898 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:02:38,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2024-10-31 22:02:38,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:02:38,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:02:38,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:02:38,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:02:38,900 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 22:02:38,900 INFO L745 eck$LassoCheckResult]: Stem: 202#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 203#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 204#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 193#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 195#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1); 199#L17-4 [2024-10-31 22:02:38,900 INFO L747 eck$LassoCheckResult]: Loop: 199#L17-4 havoc main_#t~bitwise2#1;assume (((((main_~x~0#1 - 1 < 0 && main_~y~0#1 >= 0) || main_#t~bitwise2#1 <= main_~x~0#1 - 1) && ((main_~x~0#1 - 1 >= 0 && main_~y~0#1 < 0) || main_#t~bitwise2#1 <= main_~y~0#1)) && ((main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~bitwise2#1 >= 0)) && ((main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~bitwise2#1 > main_~x~0#1 - 1 + main_~y~0#1)) && main_#t~bitwise2#1 >= -2147483648; 207#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 208#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 212#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 211#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1); 199#L17-4 [2024-10-31 22:02:38,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:38,901 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2024-10-31 22:02:38,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:38,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496686232] [2024-10-31 22:02:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:38,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:38,913 INFO L85 PathProgramCache]: Analyzing trace with hash 49672685, now seen corresponding path program 1 times [2024-10-31 22:02:38,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:38,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032541072] [2024-10-31 22:02:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:38,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:38,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:38,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1483403071, now seen corresponding path program 1 times [2024-10-31 22:02:38,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:38,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482161207] [2024-10-31 22:02:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:38,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:38,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:39,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:02:39,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:02:39,133 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:39,134 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:39,134 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:39,134 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:39,134 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:02:39,135 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,136 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:39,136 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:39,136 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2024-10-31 22:02:39,136 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:39,136 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:39,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:39,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:39,245 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:39,245 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:02:39,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,248 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:02:39,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:39,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:39,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:02:39,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,301 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:02:39,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:02:39,307 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:39,491 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:02:39,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:02:39,497 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:39,497 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:39,497 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:39,497 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:39,498 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:02:39,498 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,498 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:39,498 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:39,498 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2024-10-31 22:02:39,498 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:39,498 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:39,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:39,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:39,644 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:39,645 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:02:39,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,647 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:02:39,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:39,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:39,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:39,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:39,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:39,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:39,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:39,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:39,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:39,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:02:39,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,699 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:02:39,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:39,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:39,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:39,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:39,719 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:39,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:39,723 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:02:39,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:39,729 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:39,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:39,747 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-31 22:02:39,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,749 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:02:39,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:39,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:39,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:39,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:39,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:39,766 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:02:39,767 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:02:39,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:39,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:39,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:02:39,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,793 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:02:39,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:39,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:39,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:39,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:39,815 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:39,815 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:02:39,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:02:39,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:39,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:39,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:02:39,860 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-10-31 22:02:39,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,863 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:02:39,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:39,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:39,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:39,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:39,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:39,883 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:02:39,884 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:02:39,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:39,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:39,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:02:39,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,910 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:02:39,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:39,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:39,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:39,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:39,932 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:39,933 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:02:39,937 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 22:02:39,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:39,947 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:39,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:39,966 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-10-31 22:02:39,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:39,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:39,969 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:39,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:02:39,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:39,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:39,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:39,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:39,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:39,991 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:02:39,994 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-31 22:02:39,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,000 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:02:40,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,023 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:02:40,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:40,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,044 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:40,044 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:02:40,051 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-10-31 22:02:40,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,062 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 22:02:40,085 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-10-31 22:02:40,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,088 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:02:40,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,111 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,112 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:02:40,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:40,112 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:02:40,114 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:02:40,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,119 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:40,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,141 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:02:40,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,158 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:02:40,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,159 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:40,159 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:02:40,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:02:40,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:40,198 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-10-31 22:02:40,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,201 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:02:40,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,219 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-31 22:02:40,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:40,220 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:02:40,222 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:02:40,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:02:40,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,253 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:02:40,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,273 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-31 22:02:40,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,274 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:40,275 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:02:40,284 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 22:02:40,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,305 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:40,328 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-10-31 22:02:40,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,330 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:02:40,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,351 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:02:40,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:40,352 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:02:40,355 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-31 22:02:40,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,364 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 22:02:40,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,398 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:02:40,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,431 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,432 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:02:40,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,433 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:40,434 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:02:40,449 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-10-31 22:02:40,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,495 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:40,528 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-10-31 22:02:40,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,534 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:02:40,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,579 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,580 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:02:40,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:40,580 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:02:40,585 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:02:40,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,592 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-31 22:02:40,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,641 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:02:40,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,664 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,664 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:02:40,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,665 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:40,665 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:02:40,669 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 22:02:40,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,681 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-31 22:02:40,706 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-10-31 22:02:40,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,710 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:02:40,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,728 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:02:40,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:40,728 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-31 22:02:40,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:02:40,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 22:02:40,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:40,778 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:40,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:02:40,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:40,800 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:02:40,800 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:02:40,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:40,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:40,801 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:40,801 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-31 22:02:40,808 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:02:40,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:40,828 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:40,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:40,900 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:40,900 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:40,900 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:40,900 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:40,901 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:02:40,901 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:40,901 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:40,901 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:40,901 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Lasso [2024-10-31 22:02:40,901 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:40,901 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:40,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:40,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:40,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:40,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:40,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:40,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:41,169 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:41,170 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:02:41,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:41,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:41,174 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:41,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:02:41,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:41,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:41,213 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:02:41,213 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:02:41,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-31 22:02:41,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:41,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:41,244 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:41,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:02:41,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:41,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:41,267 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:02:41,267 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:02:41,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:41,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:41,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:41,294 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:41,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:02:41,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:41,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:41,312 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:02:41,313 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:02:41,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:41,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:41,334 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:41,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:02:41,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:41,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:41,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 22:02:41,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:41,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:41,389 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:41,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:02:41,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:02:41,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:41,552 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:02:41,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:41,556 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:41,556 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:41,556 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:41,556 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:41,556 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:02:41,556 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:41,556 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:41,556 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:41,556 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Lasso [2024-10-31 22:02:41,557 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:41,557 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:41,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:41,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:41,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:41,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:41,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:41,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:41,772 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:41,774 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:02:41,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:41,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:41,777 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:41,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:02:41,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:41,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:41,794 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 22:02:41,794 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:02:41,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:41,805 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-10-31 22:02:41,806 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:02:41,836 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:02:41,891 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-31 22:02:41,891 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-10-31 22:02:41,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:41,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:41,895 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:41,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:02:41,897 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:02:41,919 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-10-31 22:02:41,920 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:02:41,920 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [-3*ULTIMATE.start_main_~y~0#1 + 4*ULTIMATE.start_main_~x~0#1 >= 0, 2*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2024-10-31 22:02:41,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-31 22:02:41,951 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-10-31 22:02:41,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:42,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:02:42,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:42,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:02:42,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:42,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-31 22:02:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:42,190 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2024-10-31 22:02:42,191 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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) [2024-10-31 22:02:42,274 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 50 states and 68 transitions. Complement of second has 8 states. [2024-10-31 22:02:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 22:02:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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) [2024-10-31 22:02:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2024-10-31 22:02:42,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 5 letters. [2024-10-31 22:02:42,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:42,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 10 letters. Loop has 5 letters. [2024-10-31 22:02:42,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:42,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 10 letters. [2024-10-31 22:02:42,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:42,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 68 transitions. [2024-10-31 22:02:42,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:02:42,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 17 states and 20 transitions. [2024-10-31 22:02:42,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-31 22:02:42,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-31 22:02:42,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2024-10-31 22:02:42,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:02:42,282 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-31 22:02:42,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2024-10-31 22:02:42,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2024-10-31 22:02:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 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) [2024-10-31 22:02:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-10-31 22:02:42,284 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-31 22:02:42,284 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-31 22:02:42,285 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:02:42,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-10-31 22:02:42,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:02:42,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:02:42,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:02:42,286 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-10-31 22:02:42,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:02:42,287 INFO L745 eck$LassoCheckResult]: Stem: 350#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 351#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~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 348#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 343#L17 assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~bitwise2#1 := 0; 345#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 353#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 341#L17 [2024-10-31 22:02:42,287 INFO L747 eck$LassoCheckResult]: Loop: 341#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 342#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~bitwise2#1 := main_~x~0#1 - 1; 346#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 352#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 341#L17 [2024-10-31 22:02:42,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:42,287 INFO L85 PathProgramCache]: Analyzing trace with hash 889692633, now seen corresponding path program 2 times [2024-10-31 22:02:42,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:42,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105006304] [2024-10-31 22:02:42,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:42,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:42,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:42,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105006304] [2024-10-31 22:02:42,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105006304] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:42,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:42,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:02:42,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863056628] [2024-10-31 22:02:42,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:42,392 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:02:42,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:42,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1419191, now seen corresponding path program 2 times [2024-10-31 22:02:42,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:42,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072769648] [2024-10-31 22:02:42,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:42,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:42,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:42,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:42,473 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:42,474 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:42,474 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:42,474 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:42,475 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:02:42,475 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:42,476 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:42,476 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:42,476 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2024-10-31 22:02:42,476 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:42,476 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:42,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:42,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:42,527 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:42,528 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:02:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:42,531 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:42,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:02:42,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:42,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:42,553 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:02:42,553 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:02:42,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:42,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:42,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:42,576 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:42,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:02:42,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:02:42,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:42,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-31 22:02:42,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:42,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:42,623 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:42,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:02:42,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:02:42,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:02:42,743 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:02:42,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 22:02:42,747 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:42,747 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:42,747 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:42,747 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:42,747 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:02:42,748 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:42,748 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:42,748 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:42,748 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2024-10-31 22:02:42,748 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:42,748 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:42,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:42,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:42,793 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:42,793 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:02:42,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:42,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:42,796 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:42,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:02:42,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:42,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:42,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:42,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:42,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:42,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:42,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:42,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:42,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:42,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:42,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:42,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:42,833 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:42,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:02:42,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:42,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:42,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:42,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:42,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:42,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:42,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:42,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:42,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:02:42,864 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-10-31 22:02:42,864 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-31 22:02:42,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:42,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:42,867 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:42,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:02:42,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:02:42,870 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:02:42,870 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:02:42,870 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-31 22:02:42,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-31 22:02:42,893 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:02:42,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:42,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:02:42,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:42,937 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:02:42,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:42,990 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:02:42,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-10-31 22:02:43,031 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 20 states and 23 transitions. Complement of second has 9 states. [2024-10-31 22:02:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:02:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-10-31 22:02:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2024-10-31 22:02:43,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:02:43,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:43,034 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:02:43,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:43,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:02:43,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:43,082 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:02:43,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:43,132 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:02:43,132 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-10-31 22:02:43,166 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 20 states and 23 transitions. Complement of second has 9 states. [2024-10-31 22:02:43,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:02:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-10-31 22:02:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2024-10-31 22:02:43,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:02:43,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:43,168 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:02:43,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:43,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:02:43,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:43,210 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:02:43,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:43,258 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:02:43,258 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-10-31 22:02:43,296 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 20 states and 23 transitions. Complement of second has 8 states. [2024-10-31 22:02:43,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:02:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-10-31 22:02:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-10-31 22:02:43,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:02:43,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:43,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2024-10-31 22:02:43,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:43,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 8 letters. [2024-10-31 22:02:43,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:43,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2024-10-31 22:02:43,301 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:02:43,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-10-31 22:02:43,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:02:43,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:02:43,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:02:43,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:02:43,301 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:02:43,302 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:02:43,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:43,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:02:43,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:02:43,306 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-10-31 22:02:43,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:02:43,310 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-10-31 22:02:43,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-10-31 22:02:43,310 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:02:43,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 22:02:43,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:02:43,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:02:43,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:02:43,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:02:43,311 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:02:43,311 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:02:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:02:43,312 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:02:43,312 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:02:43,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:02:43,313 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:02:43,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:02:43,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:02:43 BoogieIcfgContainer [2024-10-31 22:02:43,322 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:02:43,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:02:43,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:02:43,323 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:02:43,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:36" (3/4) ... [2024-10-31 22:02:43,326 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:02:43,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:02:43,329 INFO L158 Benchmark]: Toolchain (without parser) took 7209.25ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 106.7MB in the beginning and 95.1MB in the end (delta: 11.6MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-10-31 22:02:43,329 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 107.0MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:43,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.33ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 95.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:02:43,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.90ms. Allocated memory is still 146.8MB. Free memory was 95.2MB in the beginning and 94.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:43,331 INFO L158 Benchmark]: Boogie Preprocessor took 30.70ms. Allocated memory is still 146.8MB. Free memory was 94.1MB in the beginning and 92.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:43,331 INFO L158 Benchmark]: RCFGBuilder took 366.87ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 83.1MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:02:43,332 INFO L158 Benchmark]: BuchiAutomizer took 6472.23ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 83.1MB in the beginning and 95.1MB in the end (delta: -12.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-10-31 22:02:43,332 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 176.2MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:43,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 107.0MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.33ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 95.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.90ms. Allocated memory is still 146.8MB. Free memory was 95.2MB in the beginning and 94.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.70ms. Allocated memory is still 146.8MB. Free memory was 94.1MB in the beginning and 92.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.87ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 83.1MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6472.23ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 83.1MB in the beginning and 95.1MB in the end (delta: -12.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 176.2MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 6 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function x and consists of 6 locations. One nondeterministic module has affine ranking function x and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.9s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 27 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp94 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp88 dnf120 smp96 tf107 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 145ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:02:43,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:43,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad8057-ae7d-4094-baad-62d254992e5c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE