./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB --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 fb567b374acd8bb9754dd21f812a202296c7800faf8be127cd0c1294b076cd75 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:12:24,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:12:24,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 03:12:24,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:12:24,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:12:24,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:12:24,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:12:24,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:12:24,416 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:12:24,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:12:24,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:12:24,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:12:24,417 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:12:24,418 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:12:24,418 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:12:24,418 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:12:24,418 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:12:24,418 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:12:24,419 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:12:24,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:12:24,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:12:24,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:12:24,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:12:24,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:12:24,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:12:24,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:12:24,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:12:24,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:12:24,421 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:12:24,421 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:12:24,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:12:24,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:12:24,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:12:24,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:12:24,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:12:24,422 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:12:24,423 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB 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 -> fb567b374acd8bb9754dd21f812a202296c7800faf8be127cd0c1294b076cd75 [2024-11-28 03:12:24,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:12:24,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:12:24,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:12:24,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:12:24,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:12:24,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2024-11-28 03:12:28,671 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/data/c193eb127/5c08af71be7d4d729744fdeb63e54070/FLAGd76241eca [2024-11-28 03:12:29,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:12:29,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2024-11-28 03:12:29,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/data/c193eb127/5c08af71be7d4d729744fdeb63e54070/FLAGd76241eca [2024-11-28 03:12:29,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/data/c193eb127/5c08af71be7d4d729744fdeb63e54070 [2024-11-28 03:12:29,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:12:29,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:12:29,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:12:29,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:12:29,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:12:29,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d5ea76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29, skipping insertion in model container [2024-11-28 03:12:29,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:12:29,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:12:29,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:12:29,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:12:29,410 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:12:29,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29 WrapperNode [2024-11-28 03:12:29,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:12:29,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:12:29,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:12:29,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:12:29,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,450 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-28 03:12:29,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:12:29,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:12:29,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:12:29,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:12:29,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,474 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 03:12:29,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,477 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:12:29,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:12:29,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:12:29,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:12:29,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (1/1) ... [2024-11-28 03:12:29,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:29,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:29,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:29,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:12:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:12:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:12:29,680 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:12:29,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:12:29,809 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 03:12:29,810 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:12:29,822 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:12:29,822 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:12:29,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:29 BoogieIcfgContainer [2024-11-28 03:12:29,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:12:29,823 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:12:29,824 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:12:29,831 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:12:29,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:12:29,832 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:12:29" (1/3) ... [2024-11-28 03:12:29,834 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23215ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:12:29, skipping insertion in model container [2024-11-28 03:12:29,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:12:29,834 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:29" (2/3) ... [2024-11-28 03:12:29,834 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23215ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:12:29, skipping insertion in model container [2024-11-28 03:12:29,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:12:29,835 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:29" (3/3) ... [2024-11-28 03:12:29,836 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2024-11-28 03:12:29,935 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:12:29,935 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:12:29,936 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:12:29,936 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:12:29,936 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:12:29,937 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:12:29,937 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:12:29,938 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:12:29,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2024-11-28 03:12:29,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 03:12:29,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:29,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:29,978 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 03:12:29,978 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:12:29,979 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:12:29,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2024-11-28 03:12:29,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 03:12:29,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:29,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:29,983 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 03:12:29,983 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:12:29,994 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" [2024-11-28 03:12:29,994 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume !(main_~j~0#1 < main_~m~0#1);" "main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-28 03:12:30,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:30,002 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-28 03:12:30,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:30,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322625066] [2024-11-28 03:12:30,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:30,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:30,133 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:30,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:30,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:30,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1266393, now seen corresponding path program 1 times [2024-11-28 03:12:30,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:30,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795865280] [2024-11-28 03:12:30,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:30,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:30,192 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:30,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:30,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:30,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1805029114, now seen corresponding path program 1 times [2024-11-28 03:12:30,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:30,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835849655] [2024-11-28 03:12:30,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:30,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:30,213 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:30,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:30,353 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:30,354 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:30,355 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:30,355 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:30,355 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:12:30,355 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:30,356 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:30,356 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:30,356 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration1_Loop [2024-11-28 03:12:30,356 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:30,357 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:30,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,546 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:30,549 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:12:30,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:30,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:30,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:30,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 03:12:30,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:30,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:30,598 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:30,598 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: [] [2024-11-28 03:12:30,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 03:12:30,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:30,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:30,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:30,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 03:12:30,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:30,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:30,644 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:30,644 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: [] [2024-11-28 03:12:30,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 03:12:30,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:30,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:30,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:30,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 03:12:30,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:30,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:30,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 03:12:30,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:30,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:30,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:30,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:12:30,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:12:30,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:30,858 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:12:30,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:30,862 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:30,862 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:30,862 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:30,863 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:30,863 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:12:30,863 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:30,863 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:30,863 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:30,863 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration1_Loop [2024-11-28 03:12:30,863 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:30,863 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:30,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:30,979 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:30,984 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:12:30,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:30,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:30,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:30,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 03:12:30,993 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 [2024-11-28 03:12:31,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:31,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:31,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:31,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:31,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:12:31,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:12:31,048 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:12:31,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 03:12:31,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:31,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:31,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:31,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 03:12:31,074 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 [2024-11-28 03:12:31,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:31,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:31,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:31,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:31,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:12:31,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:12:31,110 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:12:31,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 03:12:31,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:31,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:31,125 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:31,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 03:12:31,130 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 [2024-11-28 03:12:31,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:31,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:31,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:31,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:31,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:31,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:31,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:31,156 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:12:31,163 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:12:31,167 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 03:12:31,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:31,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:31,175 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:31,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 03:12:31,178 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:12:31,179 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:12:31,179 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:12:31,179 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-28 03:12:31,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 03:12:31,197 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:12:31,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:31,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:31,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:31,297 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:31,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:31,399 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 [2024-11-28 03:12:31,401 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:31,485 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 59 transitions. Complement of second has 6 states. [2024-11-28 03:12:31,489 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 [2024-11-28 03:12:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2024-11-28 03:12:31,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-28 03:12:31,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:31,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 03:12:31,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:31,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-28 03:12:31,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:31,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2024-11-28 03:12:31,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 03:12:31,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 19 states and 25 transitions. [2024-11-28 03:12:31,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 03:12:31,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-28 03:12:31,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2024-11-28 03:12:31,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:12:31,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2024-11-28 03:12:31,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2024-11-28 03:12:31,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-28 03:12:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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) [2024-11-28 03:12:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2024-11-28 03:12:31,573 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-28 03:12:31,573 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-28 03:12:31,574 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:12:31,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2024-11-28 03:12:31,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 03:12:31,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:31,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:31,577 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:12:31,577 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:12:31,578 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;" [2024-11-28 03:12:31,578 INFO L749 eck$LassoCheckResult]: Loop: "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);" "main_~i~0#1 := main_~k~0#1;" "assume main_~j~0#1 < main_~m~0#1;" [2024-11-28 03:12:31,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:31,579 INFO L85 PathProgramCache]: Analyzing trace with hash 889510735, now seen corresponding path program 1 times [2024-11-28 03:12:31,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:31,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432459723] [2024-11-28 03:12:31,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:31,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:31,595 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:31,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:31,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:31,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1701239, now seen corresponding path program 1 times [2024-11-28 03:12:31,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:31,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271684941] [2024-11-28 03:12:31,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:31,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:31,621 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:31,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:31,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:31,635 INFO L85 PathProgramCache]: Analyzing trace with hash 629438917, now seen corresponding path program 1 times [2024-11-28 03:12:31,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:31,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115084032] [2024-11-28 03:12:31,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:31,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:31,655 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:31,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:31,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:31,790 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:31,790 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:31,790 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:31,790 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:31,791 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:12:31,791 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:31,791 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:31,791 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:31,791 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration2_Loop [2024-11-28 03:12:31,791 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:31,791 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:31,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:31,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:31,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:31,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:31,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:31,937 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:31,937 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:12:31,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:31,942 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:31,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 03:12:31,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:31,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:31,982 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:31,983 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: [] [2024-11-28 03:12:31,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 03:12:31,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:31,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:31,998 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 03:12:32,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:32,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:32,038 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:32,038 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=-1, ULTIMATE.start_main_~N~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=-1, ULTIMATE.start_main_~N~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:12:32,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 03:12:32,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,054 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 03:12:32,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:32,060 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:32,093 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:32,093 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: [] [2024-11-28 03:12:32,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:32,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,111 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 03:12:32,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:32,115 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:32,138 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:32,139 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0#1=0} Honda state: {ULTIMATE.start_main_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:12:32,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:32,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,154 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 03:12:32,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:32,158 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:32,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 03:12:32,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 03:12:32,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:12:32,198 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:32,343 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:12:32,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 03:12:32,347 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:32,347 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:32,347 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:32,348 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:32,348 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:12:32,348 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,348 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:32,348 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:32,348 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration2_Loop [2024-11-28 03:12:32,348 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:32,348 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:32,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:32,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:32,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:32,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:32,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:32,482 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:32,482 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:12:32,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,488 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,493 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 [2024-11-28 03:12:32,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 03:12:32,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:32,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:32,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:32,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:32,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:32,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:32,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:32,522 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:12:32,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 03:12:32,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,537 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 03:12:32,543 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 [2024-11-28 03:12:32,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:32,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:32,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:32,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:32,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:12:32,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:12:32,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:12:32,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:32,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,591 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 03:12:32,595 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 [2024-11-28 03:12:32,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:32,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:32,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:32,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:32,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:12:32,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:12:32,620 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:12:32,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 03:12:32,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,634 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 03:12:32,639 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 [2024-11-28 03:12:32,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:32,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:32,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:32,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:32,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:32,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:32,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:32,657 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:12:32,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 03:12:32,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,676 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 03:12:32,682 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 [2024-11-28 03:12:32,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:32,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:32,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:32,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:32,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:32,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:32,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:32,709 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:12:32,716 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 03:12:32,716 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:12:32,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:32,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:32,719 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:32,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 03:12:32,724 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:12:32,724 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:12:32,724 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:12:32,725 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2024-11-28 03:12:32,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:32,739 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:12:32,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:32,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:32,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:32,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:32,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:32,860 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 [2024-11-28 03:12:32,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:32,916 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 54 transitions. Complement of second has 6 states. [2024-11-28 03:12:32,917 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 [2024-11-28 03:12:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2024-11-28 03:12:32,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 03:12:32,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:32,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 03:12:32,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:32,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-28 03:12:32,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:32,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 54 transitions. [2024-11-28 03:12:32,924 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-28 03:12:32,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 29 states and 40 transitions. [2024-11-28 03:12:32,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-28 03:12:32,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-28 03:12:32,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 40 transitions. [2024-11-28 03:12:32,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:12:32,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2024-11-28 03:12:32,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 40 transitions. [2024-11-28 03:12:32,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-11-28 03:12:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 27 states have internal predecessors, (38), 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) [2024-11-28 03:12:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions. [2024-11-28 03:12:32,934 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 38 transitions. [2024-11-28 03:12:32,934 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 38 transitions. [2024-11-28 03:12:32,934 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:12:32,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 38 transitions. [2024-11-28 03:12:32,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-28 03:12:32,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:32,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:32,938 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:32,938 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:12:32,938 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;" "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" [2024-11-28 03:12:32,938 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~k~0#1 < main_~N~0#1 - 1;" "main_~k~0#1 := 1 + main_~k~0#1;" [2024-11-28 03:12:32,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:32,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1805029034, now seen corresponding path program 1 times [2024-11-28 03:12:32,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:32,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125398374] [2024-11-28 03:12:32,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:32,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:32,953 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:32,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:32,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:32,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1957, now seen corresponding path program 1 times [2024-11-28 03:12:32,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:32,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177602583] [2024-11-28 03:12:32,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:32,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:32,975 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:32,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:32,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:32,983 INFO L85 PathProgramCache]: Analyzing trace with hash -533884914, now seen corresponding path program 1 times [2024-11-28 03:12:32,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:32,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2915415] [2024-11-28 03:12:32,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:32,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:33,003 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:33,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:33,048 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:33,049 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:33,049 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:33,049 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:33,049 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:12:33,049 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:33,049 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:33,049 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:33,049 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration3_Loop [2024-11-28 03:12:33,049 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:33,050 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:33,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,121 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:33,121 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:12:33,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:33,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:33,124 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:33,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 03:12:33,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:33,130 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:33,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 03:12:33,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:33,164 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:33,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 03:12:33,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:12:33,168 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:33,271 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:12:33,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:33,276 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:33,276 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:33,276 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:33,276 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:33,276 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:12:33,276 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:33,276 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:33,276 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:33,277 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration3_Loop [2024-11-28 03:12:33,277 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:33,277 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:33,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,358 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:33,358 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:12:33,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:33,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:33,361 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:33,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 03:12:33,368 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 [2024-11-28 03:12:33,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:33,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:33,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:33,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:33,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:33,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:33,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:33,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:12:33,401 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 03:12:33,401 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:12:33,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:33,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:33,407 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:33,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 03:12:33,410 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:12:33,410 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:12:33,411 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:12:33,411 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~N~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~N~0#1 Supporting invariants [] [2024-11-28 03:12:33,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 03:12:33,423 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:12:33,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:33,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:33,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:33,485 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:33,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:33,513 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 [2024-11-28 03:12:33,513 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 38 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-28 03:12:33,557 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 38 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 39 states and 54 transitions. Complement of second has 7 states. [2024-11-28 03:12:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-28 03:12:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-28 03:12:33,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 03:12:33,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:33,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-28 03:12:33,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:33,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 03:12:33,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:33,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 54 transitions. [2024-11-28 03:12:33,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-28 03:12:33,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 48 transitions. [2024-11-28 03:12:33,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-28 03:12:33,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-28 03:12:33,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 48 transitions. [2024-11-28 03:12:33,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:12:33,565 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 48 transitions. [2024-11-28 03:12:33,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 48 transitions. [2024-11-28 03:12:33,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2024-11-28 03:12:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 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) [2024-11-28 03:12:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2024-11-28 03:12:33,569 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 43 transitions. [2024-11-28 03:12:33,569 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2024-11-28 03:12:33,569 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 03:12:33,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2024-11-28 03:12:33,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-28 03:12:33,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:33,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:33,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:33,571 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:12:33,571 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;" "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);" "main_~i~0#1 := main_~k~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);" [2024-11-28 03:12:33,571 INFO L749 eck$LassoCheckResult]: Loop: "main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume !(main_~j~0#1 < main_~m~0#1);" [2024-11-28 03:12:33,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:33,572 INFO L85 PathProgramCache]: Analyzing trace with hash 629438919, now seen corresponding path program 1 times [2024-11-28 03:12:33,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:33,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987098999] [2024-11-28 03:12:33,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:33,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:33,582 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:33,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:33,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:33,591 INFO L85 PathProgramCache]: Analyzing trace with hash 2215593, now seen corresponding path program 2 times [2024-11-28 03:12:33,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:33,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557179458] [2024-11-28 03:12:33,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:33,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:33,597 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:33,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:33,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash 2007496047, now seen corresponding path program 1 times [2024-11-28 03:12:33,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:33,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885290612] [2024-11-28 03:12:33,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:33,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:33,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:12:33,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885290612] [2024-11-28 03:12:33,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885290612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:33,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977430144] [2024-11-28 03:12:33,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:33,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:33,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:33,752 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:33,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 03:12:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:33,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:33,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:33,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:33,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977430144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:12:33,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:12:33,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-28 03:12:33,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406297035] [2024-11-28 03:12:33,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:33,957 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:33,957 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:33,957 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:33,957 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:33,957 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:12:33,958 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:33,958 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:33,958 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:33,958 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration4_Loop [2024-11-28 03:12:33,958 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:33,958 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:33,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:33,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:34,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 03:12:34,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 03:12:34,100 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:34,101 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:12:34,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:34,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:34,103 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:34,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 03:12:34,108 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:34,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:34,130 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:34,131 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: [] [2024-11-28 03:12:34,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 03:12:34,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:34,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:34,145 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:34,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 03:12:34,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:34,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:34,179 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:34,180 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:12:34,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 03:12:34,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:34,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:34,192 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:34,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 03:12:34,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:34,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:34,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 03:12:34,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:34,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:34,225 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:34,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 03:12:34,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:12:34,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:34,355 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:12:34,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:34,359 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:34,359 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:34,360 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:34,360 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:34,360 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:12:34,360 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:34,360 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:34,360 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:34,360 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration4_Loop [2024-11-28 03:12:34,360 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:34,360 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:34,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:34,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:34,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:34,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:34,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:34,471 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:34,471 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:12:34,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:34,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:34,477 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:34,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 03:12:34,484 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 [2024-11-28 03:12:34,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:34,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:34,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:34,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:34,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:34,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:34,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:34,507 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:12:34,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:34,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:34,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:34,522 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:34,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 03:12:34,528 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 [2024-11-28 03:12:34,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:34,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:34,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:34,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:34,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:34,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:34,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:34,555 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:12:34,561 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 03:12:34,561 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:12:34,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:34,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:34,564 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:34,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 03:12:34,569 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:12:34,569 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:12:34,569 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:12:34,569 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-28 03:12:34,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 03:12:34,583 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:12:34,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:34,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:34,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:34,650 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:34,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:34,713 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 03:12:34,714 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 43 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-11-28 03:12:34,761 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 43 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Result 73 states and 98 transitions. Complement of second has 8 states. [2024-11-28 03:12:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-11-28 03:12:34,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2024-11-28 03:12:34,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 03:12:34,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:34,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 4 letters. [2024-11-28 03:12:34,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:34,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-28 03:12:34,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:34,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 98 transitions. [2024-11-28 03:12:34,767 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2024-11-28 03:12:34,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 56 states and 75 transitions. [2024-11-28 03:12:34,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-11-28 03:12:34,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-11-28 03:12:34,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 75 transitions. [2024-11-28 03:12:34,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:12:34,769 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 75 transitions. [2024-11-28 03:12:34,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 75 transitions. [2024-11-28 03:12:34,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2024-11-28 03:12:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 51 states have internal predecessors, (71), 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) [2024-11-28 03:12:34,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2024-11-28 03:12:34,774 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 71 transitions. [2024-11-28 03:12:34,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:12:34,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:12:34,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:12:34,778 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-28 03:12:34,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:34,862 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2024-11-28 03:12:34,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 69 transitions. [2024-11-28 03:12:34,864 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-11-28 03:12:34,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 52 states and 68 transitions. [2024-11-28 03:12:34,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2024-11-28 03:12:34,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-11-28 03:12:34,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 68 transitions. [2024-11-28 03:12:34,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:12:34,867 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 68 transitions. [2024-11-28 03:12:34,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 68 transitions. [2024-11-28 03:12:34,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 32. [2024-11-28 03:12:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 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) [2024-11-28 03:12:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2024-11-28 03:12:34,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 42 transitions. [2024-11-28 03:12:34,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:12:34,877 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2024-11-28 03:12:34,877 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 03:12:34,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2024-11-28 03:12:34,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-11-28 03:12:34,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:34,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:34,878 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:34,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:34,883 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;" "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);" "main_~i~0#1 := main_~k~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);" [2024-11-28 03:12:34,883 INFO L749 eck$LassoCheckResult]: Loop: "main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;" "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);" "main_~i~0#1 := main_~k~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);" [2024-11-28 03:12:34,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:34,883 INFO L85 PathProgramCache]: Analyzing trace with hash 629438919, now seen corresponding path program 2 times [2024-11-28 03:12:34,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:34,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667815597] [2024-11-28 03:12:34,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:34,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:34,897 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:34,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:34,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:34,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1741160735, now seen corresponding path program 1 times [2024-11-28 03:12:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:34,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873431120] [2024-11-28 03:12:34,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:34,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:34,928 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:34,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:34,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:34,942 INFO L85 PathProgramCache]: Analyzing trace with hash -827239195, now seen corresponding path program 2 times [2024-11-28 03:12:34,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:34,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656913989] [2024-11-28 03:12:34,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:34,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:34,964 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:34,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:35,044 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:35,045 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:35,045 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:35,045 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:35,045 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:12:35,045 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:35,045 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:35,045 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:35,045 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration5_Loop [2024-11-28 03:12:35,045 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:35,045 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:35,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,151 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:35,151 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:12:35,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:35,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:35,154 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:35,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 03:12:35,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:35,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:35,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 03:12:35,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:35,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:35,197 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:35,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 03:12:35,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:12:35,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:35,355 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:12:35,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:35,362 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:35,362 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:35,362 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:35,362 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:35,362 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:12:35,362 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:35,362 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:35,362 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:35,362 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration5_Loop [2024-11-28 03:12:35,363 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:35,363 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:35,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:35,472 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:35,472 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:12:35,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:35,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:35,477 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:35,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 03:12:35,481 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 [2024-11-28 03:12:35,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:35,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:35,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:35,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:35,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:35,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:35,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:35,502 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:12:35,505 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:12:35,506 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 03:12:35,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:35,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:35,511 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:35,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 03:12:35,514 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:12:35,515 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:12:35,515 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:12:35,515 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-28 03:12:35,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-28 03:12:35,529 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:12:35,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:35,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:35,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:35,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:12:35,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:35,725 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-28 03:12:35,726 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-11-28 03:12:35,757 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) Result 63 states and 80 transitions. Complement of second has 7 states. [2024-11-28 03:12:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-11-28 03:12:35,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-11-28 03:12:35,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-28 03:12:35,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:35,760 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:12:35,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:35,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:35,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:35,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:12:35,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:35,955 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-28 03:12:35,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-11-28 03:12:36,059 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) Result 78 states and 103 transitions. Complement of second has 10 states. [2024-11-28 03:12:36,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-11-28 03:12:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2024-11-28 03:12:36,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-28 03:12:36,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:36,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-28 03:12:36,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:36,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 10 letters. Loop has 16 letters. [2024-11-28 03:12:36,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:36,065 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 103 transitions. [2024-11-28 03:12:36,066 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-28 03:12:36,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 93 transitions. [2024-11-28 03:12:36,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-11-28 03:12:36,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-11-28 03:12:36,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 93 transitions. [2024-11-28 03:12:36,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:12:36,068 INFO L218 hiAutomatonCegarLoop]: Abstraction has 71 states and 93 transitions. [2024-11-28 03:12:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 93 transitions. [2024-11-28 03:12:36,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 61. [2024-11-28 03:12:36,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 60 states have internal predecessors, (80), 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) [2024-11-28 03:12:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2024-11-28 03:12:36,073 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 80 transitions. [2024-11-28 03:12:36,074 INFO L425 stractBuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2024-11-28 03:12:36,074 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 03:12:36,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 80 transitions. [2024-11-28 03:12:36,075 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-28 03:12:36,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:36,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:36,076 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:36,076 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:12:36,076 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;" "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);" "main_~i~0#1 := main_~k~0#1;" "assume main_~j~0#1 < main_~m~0#1;" "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" [2024-11-28 03:12:36,076 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~k~0#1 < main_~N~0#1 - 1;" "main_~k~0#1 := 1 + main_~k~0#1;" [2024-11-28 03:12:36,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:36,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1962230028, now seen corresponding path program 2 times [2024-11-28 03:12:36,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:36,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109700887] [2024-11-28 03:12:36,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:36,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:36,086 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:36,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:36,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:36,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1957, now seen corresponding path program 2 times [2024-11-28 03:12:36,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:36,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987771324] [2024-11-28 03:12:36,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:36,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:36,105 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:36,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:36,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:36,108 INFO L85 PathProgramCache]: Analyzing trace with hash -212412968, now seen corresponding path program 1 times [2024-11-28 03:12:36,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:36,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683990670] [2024-11-28 03:12:36,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:36,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:36,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-28 03:12:36,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 03:12:36,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:12:36,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683990670] [2024-11-28 03:12:36,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683990670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:36,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570376520] [2024-11-28 03:12:36,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:36,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:36,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:36,314 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:36,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-28 03:12:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:36,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:36,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:36,378 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:36,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570376520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:12:36,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:12:36,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-28 03:12:36,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959058267] [2024-11-28 03:12:36,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:36,434 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:36,435 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:36,435 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:36,435 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:36,435 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:12:36,435 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,435 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:36,435 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:36,435 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration6_Loop [2024-11-28 03:12:36,435 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:36,435 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:36,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:36,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:36,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:36,508 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:36,508 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:12:36,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:36,511 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:36,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 03:12:36,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:36,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:36,549 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:36,549 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:12:36,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:36,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:36,561 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:36,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 03:12:36,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:36,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:36,588 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:12:36,588 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:12:36,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:36,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:36,599 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:36,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 03:12:36,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:36,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:36,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 03:12:36,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:36,632 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:36,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 03:12:36,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:12:36,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:36,734 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:12:36,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:36,738 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:36,738 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:36,738 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:36,738 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:36,738 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:12:36,738 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,738 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:36,739 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:36,739 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration6_Loop [2024-11-28 03:12:36,739 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:36,739 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:36,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:36,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:36,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:36,803 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:36,803 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:12:36,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:36,806 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:36,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 03:12:36,812 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 [2024-11-28 03:12:36,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:36,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:36,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:36,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:36,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:12:36,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:12:36,840 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:12:36,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:36,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:36,856 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:36,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 03:12:36,863 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 [2024-11-28 03:12:36,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:36,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:36,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:36,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:36,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:36,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:36,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:36,891 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:12:36,897 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:12:36,898 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:12:36,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:36,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:36,902 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:36,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 03:12:36,907 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:12:36,907 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:12:36,907 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:12:36,907 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~N~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~N~0#1 Supporting invariants [] [2024-11-28 03:12:36,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:36,921 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:12:36,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:36,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:36,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:36,997 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:36,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:37,022 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 [2024-11-28 03:12:37,022 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 29 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:37,064 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 29. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 86 states and 112 transitions. Complement of second has 7 states. [2024-11-28 03:12:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-28 03:12:37,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-28 03:12:37,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:37,066 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:12:37,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:37,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:37,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:37,140 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:37,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:37,166 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 [2024-11-28 03:12:37,166 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 29 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:37,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 29. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 86 states and 112 transitions. Complement of second has 7 states. [2024-11-28 03:12:37,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-28 03:12:37,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-28 03:12:37,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:37,211 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:12:37,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:37,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:37,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:37,277 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:37,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:37,306 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 [2024-11-28 03:12:37,306 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 29 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:37,338 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 29. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 109 transitions. Complement of second has 6 states. [2024-11-28 03:12:37,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:12:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2024-11-28 03:12:37,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-28 03:12:37,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:37,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 2 letters. [2024-11-28 03:12:37,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:37,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-28 03:12:37,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:37,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 109 transitions. [2024-11-28 03:12:37,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:12:37,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 52 states and 70 transitions. [2024-11-28 03:12:37,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-28 03:12:37,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-28 03:12:37,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 70 transitions. [2024-11-28 03:12:37,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:12:37,349 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-11-28 03:12:37,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 70 transitions. [2024-11-28 03:12:37,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2024-11-28 03:12:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 48 states have internal predecessors, (65), 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) [2024-11-28 03:12:37,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2024-11-28 03:12:37,354 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 65 transitions. [2024-11-28 03:12:37,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:12:37,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:12:37,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:12:37,355 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 03:12:37,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:37,390 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2024-11-28 03:12:37,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 66 transitions. [2024-11-28 03:12:37,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:12:37,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 52 states and 66 transitions. [2024-11-28 03:12:37,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-28 03:12:37,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-28 03:12:37,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 66 transitions. [2024-11-28 03:12:37,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:12:37,392 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 66 transitions. [2024-11-28 03:12:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 66 transitions. [2024-11-28 03:12:37,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-28 03:12:37,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 51 states have internal predecessors, (66), 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) [2024-11-28 03:12:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2024-11-28 03:12:37,396 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 66 transitions. [2024-11-28 03:12:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:12:37,398 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 66 transitions. [2024-11-28 03:12:37,398 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 03:12:37,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 66 transitions. [2024-11-28 03:12:37,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:12:37,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:37,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:37,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:37,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:12:37,400 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;" "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);" "main_~i~0#1 := main_~k~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);" "main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < main_~n~0#1;" "main_~j~0#1 := 0;" [2024-11-28 03:12:37,400 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < main_~m~0#1;" "main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);" "main_~i~0#1 := main_~k~0#1;" [2024-11-28 03:12:37,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:37,400 INFO L85 PathProgramCache]: Analyzing trace with hash -212336728, now seen corresponding path program 3 times [2024-11-28 03:12:37,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:37,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839688801] [2024-11-28 03:12:37,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:37,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:37,410 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:37,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:37,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:37,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1574219, now seen corresponding path program 2 times [2024-11-28 03:12:37,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:37,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351763502] [2024-11-28 03:12:37,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:37,427 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:37,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:37,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:37,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2104895118, now seen corresponding path program 4 times [2024-11-28 03:12:37,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:37,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582400891] [2024-11-28 03:12:37,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:37,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:37,450 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:37,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:37,514 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:37,514 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:37,514 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:37,514 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:37,514 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:12:37,514 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:37,514 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:37,515 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:37,515 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration7_Loop [2024-11-28 03:12:37,515 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:37,515 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:37,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,628 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:37,629 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:12:37,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:37,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:37,632 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:37,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-28 03:12:37,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:12:37,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:37,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-28 03:12:37,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:37,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:37,674 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:37,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 03:12:37,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:12:37,680 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:12:37,825 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:12:37,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:37,831 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:12:37,831 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:12:37,831 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:12:37,831 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:12:37,831 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:12:37,831 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:37,832 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:12:37,832 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:12:37,832 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration7_Loop [2024-11-28 03:12:37,832 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:12:37,832 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:12:37,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:12:37,935 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:12:37,935 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:12:37,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:37,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:37,941 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:37,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-28 03:12:37,944 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 [2024-11-28 03:12:37,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:12:37,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:12:37,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:12:37,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:12:37,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:12:37,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:12:37,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:12:37,971 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:12:37,978 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 03:12:37,978 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:12:37,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:37,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:37,982 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:37,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-28 03:12:37,985 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:12:37,985 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:12:37,985 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:12:37,985 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2024-11-28 03:12:37,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:37,998 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:12:38,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:38,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:38,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:38,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:38,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:38,115 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 03:12:38,115 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 66 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-28 03:12:38,153 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 66 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 69 states and 90 transitions. Complement of second has 7 states. [2024-11-28 03:12:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-28 03:12:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-28 03:12:38,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-28 03:12:38,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:38,155 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:12:38,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:38,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:38,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:38,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:38,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:38,285 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 03:12:38,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 66 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-28 03:12:38,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 66 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 65 states and 84 transitions. Complement of second has 7 states. [2024-11-28 03:12:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-28 03:12:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-11-28 03:12:38,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-28 03:12:38,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:38,335 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:12:38,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:38,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:12:38,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:38,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:12:38,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:12:38,470 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 03:12:38,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 66 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-28 03:12:38,500 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 66 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 87 states and 117 transitions. Complement of second has 6 states. [2024-11-28 03:12:38,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 03:12:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-28 03:12:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-11-28 03:12:38,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-28 03:12:38,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:38,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 17 letters. Loop has 4 letters. [2024-11-28 03:12:38,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:38,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 13 letters. Loop has 8 letters. [2024-11-28 03:12:38,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:12:38,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 117 transitions. [2024-11-28 03:12:38,506 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:12:38,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 0 states and 0 transitions. [2024-11-28 03:12:38,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 03:12:38,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 03:12:38,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 03:12:38,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:12:38,507 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:12:38,507 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:12:38,507 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:12:38,507 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 03:12:38,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:12:38,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:12:38,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 03:12:38,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:12:38 BoogieIcfgContainer [2024-11-28 03:12:38,519 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:12:38,520 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:12:38,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:12:38,520 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:12:38,521 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:29" (3/4) ... [2024-11-28 03:12:38,524 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:12:38,527 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:12:38,531 INFO L158 Benchmark]: Toolchain (without parser) took 9387.22ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 106.1MB in the beginning and 238.6MB in the end (delta: -132.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-28 03:12:38,531 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:12:38,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.92ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 96.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:12:38,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.96ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 95.1MB in the end (delta: 946.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:12:38,533 INFO L158 Benchmark]: Boogie Preprocessor took 48.59ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 962.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:12:38,533 INFO L158 Benchmark]: RCFGBuilder took 321.48ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 84.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:12:38,533 INFO L158 Benchmark]: BuchiAutomizer took 8695.85ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 84.2MB in the beginning and 238.6MB in the end (delta: -154.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-28 03:12:38,534 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 352.3MB. Free memory was 238.6MB in the beginning and 238.6MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:12:38,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.92ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 96.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.96ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 95.1MB in the end (delta: 946.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.59ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 962.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.48ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 84.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8695.85ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 84.2MB in the beginning and 238.6MB in the end (delta: -154.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 352.3MB. Free memory was 238.6MB in the beginning and 238.6MB in the end (delta: 36.9kB). 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 9 terminating modules (2 trivial, 5 deterministic, 2 nondeterministic). One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * j) + m) and consists of 4 locations. One deterministic module has affine ranking function (N + ((long) -1 * k)) and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 5 locations. One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 6 locations. One nondeterministic module has affine ranking function (N + ((long) -1 * k)) and consists of 4 locations. One nondeterministic module has affine ranking function (((long) -1 * j) + m) and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 5.9s. Construction of modules took 0.2s. Büchi inclusion checks took 2.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 8. Automata minimization 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 43 StatesRemovedByMinimization, 7 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 [4, 1, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 247 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 170 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT5 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax177 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq147 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 63ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 03:12:38,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-28 03:12:38,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-28 03:12:38,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-28 03:12:39,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-28 03:12:39,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633c1cc5-2d5e-4e42-919f-e49b6d318711/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE