./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX --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 a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:33:36,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:33:36,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-08 16:33:36,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:33:36,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:33:36,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:33:36,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:33:36,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:33:36,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:33:36,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:33:36,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:33:36,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:33:36,442 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:33:36,442 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:33:36,443 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:33:36,443 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:33:36,443 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:33:36,444 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:33:36,444 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:33:36,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:33:36,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:33:36,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:33:36,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:33:36,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:33:36,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:33:36,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:33:36,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:33:36,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:33:36,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:33:36,452 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:33:36,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:33:36,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:33:36,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:33:36,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:33:36,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:33:36,466 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:33:36,466 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_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 [2024-11-08 16:33:36,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:33:36,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:33:36,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:33:36,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:33:36,799 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:33:36,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c Unable to find full path for "g++" [2024-11-08 16:33:38,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:33:39,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:33:39,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2024-11-08 16:33:39,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/data/9a2468108/59332dbe8e6344a6be9206b8c5dfb053/FLAG5176c992e [2024-11-08 16:33:39,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/data/9a2468108/59332dbe8e6344a6be9206b8c5dfb053 [2024-11-08 16:33:39,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:33:39,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:33:39,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:33:39,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:33:39,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:33:39,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38080830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39, skipping insertion in model container [2024-11-08 16:33:39,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:33:39,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:33:39,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:33:39,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:33:39,364 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:33:39,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39 WrapperNode [2024-11-08 16:33:39,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:33:39,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:33:39,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:33:39,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:33:39,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,393 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-08 16:33:39,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:33:39,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:33:39,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:33:39,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:33:39,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,417 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:33:39,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:33:39,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:33:39,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:33:39,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:33:39,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (1/1) ... [2024-11-08 16:33:39,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:39,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:39,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:39,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:33:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:33:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:33:39,564 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:33:39,566 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:33:39,631 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 16:33:39,632 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:33:39,644 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:33:39,644 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:33:39,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:33:39 BoogieIcfgContainer [2024-11-08 16:33:39,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:33:39,646 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:33:39,646 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:33:39,649 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:33:39,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:33:39,650 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:33:39" (1/3) ... [2024-11-08 16:33:39,651 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63b39b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:33:39, skipping insertion in model container [2024-11-08 16:33:39,652 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:33:39,652 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:39" (2/3) ... [2024-11-08 16:33:39,652 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63b39b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:33:39, skipping insertion in model container [2024-11-08 16:33:39,652 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:33:39,652 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:33:39" (3/3) ... [2024-11-08 16:33:39,654 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-while2.c [2024-11-08 16:33:39,710 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:33:39,710 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:33:39,710 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:33:39,710 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:33:39,711 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:33:39,711 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:33:39,711 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:33:39,711 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:33:39,716 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) [2024-11-08 16:33:39,735 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-08 16:33:39,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:33:39,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:33:39,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 16:33:39,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 16:33:39,742 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 16:33:39,743 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) [2024-11-08 16:33:39,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-08 16:33:39,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:33:39,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:33:39,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 16:33:39,745 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 16:33:39,753 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1; 7#L17-3true [2024-11-08 16:33:39,754 INFO L747 eck$LassoCheckResult]: Loop: 7#L17-3true assume main_~i~0#1 > 0; 8#L17-1true assume !!(main_~i~0#1 > 0);main_~j~0#1 := main_~N~0#1; 10#L19-3true assume !(main_~j~0#1 > 0); 12#L19-4true main_~i~0#1 := main_~i~0#1 - 1; 7#L17-3true [2024-11-08 16:33:39,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:39,761 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-08 16:33:39,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:39,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246170548] [2024-11-08 16:33:39,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:39,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:39,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:33:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:39,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:33:39,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:39,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1113544, now seen corresponding path program 1 times [2024-11-08 16:33:39,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:39,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400885079] [2024-11-08 16:33:39,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:39,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:39,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:33:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:39,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:33:39,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:39,941 INFO L85 PathProgramCache]: Analyzing trace with hash 889540746, now seen corresponding path program 1 times [2024-11-08 16:33:39,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:39,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984282450] [2024-11-08 16:33:39,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:39,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:40,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:33:40,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984282450] [2024-11-08 16:33:40,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984282450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:33:40,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:33:40,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:33:40,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489977704] [2024-11-08 16:33:40,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:33:40,289 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:33:40,290 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:33:40,290 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:33:40,290 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:33:40,291 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 16:33:40,291 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,291 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:33:40,291 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:33:40,291 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration1_Loop [2024-11-08 16:33:40,291 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:33:40,292 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:33:40,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,459 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:33:40,459 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 16:33:40,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 16:33:40,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:40,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:40,505 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:33:40,505 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:33:40,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:40,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 16:33:40,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:40,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:40,572 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:33:40,573 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:33:40,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-08 16:33:40,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 16:33:40,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:40,599 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:40,619 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:33:40,620 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~N~0#1=0} Honda state: {ULTIMATE.start_main_~N~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:33:40,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:40,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 16:33:40,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:40,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:40,664 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:33:40,665 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:33:40,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:40,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,684 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 16:33:40,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:40,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:40,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-08 16:33:40,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,717 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 16:33:40,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 16:33:40,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:40,766 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 16:33:40,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:40,774 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:33:40,774 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:33:40,774 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:33:40,774 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:33:40,774 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 16:33:40,775 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,775 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:33:40,775 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:33:40,775 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration1_Loop [2024-11-08 16:33:40,775 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:33:40,775 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:33:40,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:40,881 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:33:40,887 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 16:33:40,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-08 16:33:40,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:40,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:40,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:40,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:40,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:40,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:33:40,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:33:40,936 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:33:40,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-08 16:33:40,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,959 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-08 16:33:40,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:40,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:40,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:33:40,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:40,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:40,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:40,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:33:40,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:33:40,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:33:40,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-08 16:33:40,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:40,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:40,994 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:40,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-08 16:33:40,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:41,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:41,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:41,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:41,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:41,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:33:41,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:33:41,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:33:41,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-08 16:33:41,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,055 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-08 16:33:41,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:41,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:41,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:33:41,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:41,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:41,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:41,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:33:41,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:33:41,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:33:41,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:41,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,086 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-08 16:33:41,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:41,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:41,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:33:41,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:41,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:41,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:41,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:33:41,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:33:41,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 16:33:41,107 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-08 16:33:41,108 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 16:33:41,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,117 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-08 16:33:41,120 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 16:33:41,121 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 16:33:41,121 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 16:33:41,121 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-08 16:33:41,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:41,136 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 16:33:41,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:41,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:33:41,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:41,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:33:41,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:41,254 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-08 16:33:41,256 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-08 16:33:41,311 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) Result 20 states and 26 transitions. Complement of second has 6 states. [2024-11-08 16:33:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:33:41,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-08 16:33:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-08 16:33:41,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-08 16:33:41,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:41,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-08 16:33:41,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:41,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-08 16:33:41,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:41,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2024-11-08 16:33:41,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 16:33:41,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 11 states and 15 transitions. [2024-11-08 16:33:41,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-08 16:33:41,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-08 16:33:41,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2024-11-08 16:33:41,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 16:33:41,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-11-08 16:33:41,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2024-11-08 16:33:41,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-08 16:33:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 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) [2024-11-08 16:33:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2024-11-08 16:33:41,350 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-11-08 16:33:41,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:33:41,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:33:41,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:33:41,353 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. Second operand has 5 states, 5 states have (on average 1.2) 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) [2024-11-08 16:33:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:41,401 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2024-11-08 16:33:41,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2024-11-08 16:33:41,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-08 16:33:41,403 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 28 transitions. [2024-11-08 16:33:41,403 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-08 16:33:41,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-08 16:33:41,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2024-11-08 16:33:41,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 16:33:41,404 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-11-08 16:33:41,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2024-11-08 16:33:41,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 14. [2024-11-08 16:33:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-08 16:33:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-08 16:33:41,406 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-08 16:33:41,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:33:41,408 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-08 16:33:41,408 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 16:33:41,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-08 16:33:41,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 16:33:41,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:33:41,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:33:41,409 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-08 16:33:41,409 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 16:33:41,410 INFO L745 eck$LassoCheckResult]: Stem: 115#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1; 117#L17-3 assume main_~i~0#1 > 0; 119#L17-1 assume !!(main_~i~0#1 > 0);main_~j~0#1 := main_~N~0#1; 112#L19-3 [2024-11-08 16:33:41,410 INFO L747 eck$LassoCheckResult]: Loop: 112#L19-3 assume main_~j~0#1 > 0; 111#L19-1 assume !!(main_~j~0#1 > 0);main_~j~0#1 := main_~j~0#1 - 1; 112#L19-3 [2024-11-08 16:33:41,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:41,411 INFO L85 PathProgramCache]: Analyzing trace with hash 925640, now seen corresponding path program 1 times [2024-11-08 16:33:41,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:41,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957949024] [2024-11-08 16:33:41,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:41,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:41,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:33:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:41,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:33:41,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:41,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 1 times [2024-11-08 16:33:41,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:41,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291024567] [2024-11-08 16:33:41,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:41,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:41,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:33:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:41,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:33:41,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash 889540525, now seen corresponding path program 1 times [2024-11-08 16:33:41,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:41,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348676669] [2024-11-08 16:33:41,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:41,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:41,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:33:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:41,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:33:41,502 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:33:41,502 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:33:41,502 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:33:41,502 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:33:41,502 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 16:33:41,503 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,503 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:33:41,503 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:33:41,503 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration2_Loop [2024-11-08 16:33:41,503 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:33:41,503 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:33:41,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:41,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:41,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:41,571 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:33:41,572 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 16:33:41,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,573 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-08 16:33:41,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:41,576 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:41,598 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:33:41,598 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:33:41,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:41,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,617 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-08 16:33:41,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:41,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:41,641 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:33:41,641 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:33:41,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:41,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,656 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-08 16:33:41,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:41,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:41,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:41,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,699 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-08 16:33:41,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 16:33:41,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:41,745 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 16:33:41,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-08 16:33:41,750 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:33:41,750 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:33:41,750 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:33:41,750 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:33:41,750 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 16:33:41,750 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,751 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:33:41,751 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:33:41,751 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration2_Loop [2024-11-08 16:33:41,751 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:33:41,751 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:33:41,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:41,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:41,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:41,817 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:33:41,818 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 16:33:41,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,820 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-08 16:33:41,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:41,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:41,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:41,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:41,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:41,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:33:41,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:33:41,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:33:41,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:41,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,863 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-08 16:33:41,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:41,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:41,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:41,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:41,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:41,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:33:41,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:33:41,890 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:33:41,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-08 16:33:41,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,916 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-08 16:33:41,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:41,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:41,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:33:41,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:41,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:41,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:41,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:33:41,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:33:41,938 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 16:33:41,943 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 16:33:41,944 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 16:33:41,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:41,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:41,946 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:41,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-08 16:33:41,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 16:33:41,949 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 16:33:41,949 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 16:33:41,949 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-08 16:33:41,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:41,970 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 16:33:41,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:41,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:33:42,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:42,014 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:33:42,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:42,036 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-08 16:33:42,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-08 16:33:42,068 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) Result 31 states and 41 transitions. Complement of second has 6 states. [2024-11-08 16:33:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:33:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-08 16:33:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-08 16:33:42,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-08 16:33:42,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:42,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-08 16:33:42,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:42,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-08 16:33:42,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:42,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2024-11-08 16:33:42,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 16:33:42,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 16 states and 20 transitions. [2024-11-08 16:33:42,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-08 16:33:42,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-08 16:33:42,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2024-11-08 16:33:42,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 16:33:42,079 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-08 16:33:42,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2024-11-08 16:33:42,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-08 16:33:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 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) [2024-11-08 16:33:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2024-11-08 16:33:42,083 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2024-11-08 16:33:42,083 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2024-11-08 16:33:42,083 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 16:33:42,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2024-11-08 16:33:42,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 16:33:42,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:33:42,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:33:42,084 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:42,084 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 16:33:42,085 INFO L745 eck$LassoCheckResult]: Stem: 199#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 200#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_~N~0#1; 201#L17-3 assume main_~i~0#1 > 0; 202#L17-1 assume !!(main_~i~0#1 > 0);main_~j~0#1 := main_~N~0#1; 206#L19-3 assume main_~j~0#1 > 0; 197#L19-1 assume !!(main_~j~0#1 > 0);main_~j~0#1 := main_~j~0#1 - 1; 198#L19-3 assume !(main_~j~0#1 > 0); 207#L19-4 main_~i~0#1 := main_~i~0#1 - 1; 203#L17-3 assume main_~i~0#1 > 0; 204#L17-1 assume !!(main_~i~0#1 > 0);main_~j~0#1 := main_~N~0#1; 196#L19-3 [2024-11-08 16:33:42,085 INFO L747 eck$LassoCheckResult]: Loop: 196#L19-3 assume main_~j~0#1 > 0; 195#L19-1 assume !!(main_~j~0#1 > 0);main_~j~0#1 := main_~j~0#1 - 1; 196#L19-3 [2024-11-08 16:33:42,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:42,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1923740620, now seen corresponding path program 1 times [2024-11-08 16:33:42,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:42,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756283534] [2024-11-08 16:33:42,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:42,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:42,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:33:42,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756283534] [2024-11-08 16:33:42,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756283534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:33:42,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893194039] [2024-11-08 16:33:42,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:42,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:33:42,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:42,254 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:33:42,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-08 16:33:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:42,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:33:42,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:42,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:33:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:42,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893194039] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:33:42,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:33:42,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-08 16:33:42,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948437902] [2024-11-08 16:33:42,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:33:42,486 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 16:33:42,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:42,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 2 times [2024-11-08 16:33:42,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:42,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740096034] [2024-11-08 16:33:42,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:42,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:42,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:33:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:42,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:33:42,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-08 16:33:42,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:42,557 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:33:42,557 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:33:42,557 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:33:42,557 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:33:42,557 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 16:33:42,557 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:42,558 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:33:42,558 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:33:42,558 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration3_Loop [2024-11-08 16:33:42,558 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:33:42,558 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:33:42,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:42,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:42,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:42,618 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:33:42,619 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 16:33:42,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:42,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:42,622 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:42,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-08 16:33:42,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:42,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:42,652 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:33:42,652 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:33:42,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:42,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:42,692 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:42,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-08 16:33:42,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:33:42,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:42,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:42,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:42,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:42,733 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:42,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-08 16:33:42,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 16:33:42,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:33:42,795 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 16:33:42,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-08 16:33:42,798 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:33:42,798 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:33:42,798 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:33:42,798 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:33:42,798 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 16:33:42,798 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:42,798 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:33:42,798 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:33:42,799 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-while2.c_Iteration3_Loop [2024-11-08 16:33:42,799 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:33:42,799 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:33:42,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:42,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:42,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:33:42,850 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:33:42,851 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 16:33:42,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:42,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:42,853 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:42,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-08 16:33:42,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:42,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:42,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:42,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:42,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:42,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:33:42,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:33:42,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:33:42,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:42,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:42,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:42,897 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:42,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-08 16:33:42,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 16:33:42,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:33:42,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:33:42,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:33:42,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:33:42,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:33:42,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:33:42,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:33:42,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 16:33:42,919 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-08 16:33:42,919 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 16:33:42,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:33:42,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:42,921 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:42,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-08 16:33:42,925 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 16:33:42,925 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 16:33:42,925 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 16:33:42,925 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-08 16:33:42,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:42,944 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 16:33:42,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:42,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:33:42,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:42,996 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:33:42,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:43,012 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-08 16:33:43,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-08 16:33:43,031 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 16 states and 21 transitions. Complement of second has 5 states. [2024-11-08 16:33:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:33:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-08 16:33:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-08 16:33:43,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-08 16:33:43,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:43,032 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-08 16:33:43,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:43,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:33:43,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:43,074 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:33:43,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:43,090 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-08 16:33:43,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-08 16:33:43,106 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 16 states and 21 transitions. Complement of second has 5 states. [2024-11-08 16:33:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:33:43,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-08 16:33:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-08 16:33:43,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-08 16:33:43,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:43,108 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-08 16:33:43,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:43,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:33:43,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:43,155 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:33:43,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:33:43,171 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 2 loop predicates [2024-11-08 16:33:43,171 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-08 16:33:43,191 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 27 states and 36 transitions. Complement of second has 7 states. [2024-11-08 16:33:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:33:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-08 16:33:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-08 16:33:43,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-08 16:33:43,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:43,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 2 letters. [2024-11-08 16:33:43,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:43,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-08 16:33:43,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:33:43,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2024-11-08 16:33:43,195 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 16:33:43,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2024-11-08 16:33:43,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 16:33:43,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 16:33:43,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 16:33:43,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:33:43,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:33:43,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:33:43,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:33:43,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:33:43,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:33:43,197 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 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) [2024-11-08 16:33:43,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:43,197 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-08 16:33:43,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-08 16:33:43,198 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 16:33:43,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:33:43,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 16:33:43,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 16:33:43,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 16:33:43,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:33:43,198 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:33:43,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:33:43,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:33:43,199 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:33:43,199 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 16:33:43,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:33:43,200 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 16:33:43,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 16:33:43,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:33:43 BoogieIcfgContainer [2024-11-08 16:33:43,207 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:33:43,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:33:43,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:33:43,208 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:33:43,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:33:39" (3/4) ... [2024-11-08 16:33:43,211 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:33:43,213 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:33:43,213 INFO L158 Benchmark]: Toolchain (without parser) took 4087.65ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 106.5MB in the beginning and 126.8MB in the end (delta: -20.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-08 16:33:43,214 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 146.8MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:33:43,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.02ms. Allocated memory is still 146.8MB. Free memory was 106.0MB in the beginning and 94.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 16:33:43,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.26ms. Allocated memory is still 146.8MB. Free memory was 94.9MB in the beginning and 93.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:33:43,215 INFO L158 Benchmark]: Boogie Preprocessor took 31.89ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:33:43,216 INFO L158 Benchmark]: RCFGBuilder took 217.85ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 83.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 16:33:43,216 INFO L158 Benchmark]: BuchiAutomizer took 3561.92ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 83.0MB in the beginning and 126.8MB in the end (delta: -43.8MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2024-11-08 16:33:43,217 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 190.8MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:33:43,221 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 146.8MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.02ms. Allocated memory is still 146.8MB. Free memory was 106.0MB in the beginning and 94.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.26ms. Allocated memory is still 146.8MB. Free memory was 94.9MB in the beginning and 93.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.89ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 217.85ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 83.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3561.92ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 83.0MB in the beginning and 126.8MB in the end (delta: -43.8MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 190.8MB. Free memory is still 126.8MB. 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 (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function j and consists of 4 locations. One nondeterministic module has affine ranking function j and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 31 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax210 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 16:33:43,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-08 16:33:43,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:43,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f5344d-3f81-4103-a93a-dae73efc681f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE