./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Parallel.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Parallel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC --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 6d237a1b253e1662249abfec0a27795a205783446cdc8f92e994520c562b96f7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:33:06,144 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:33:06,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf
[2024-11-24 01:33:06,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:33:06,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:33:06,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:33:06,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:33:06,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:33:06,293 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:33:06,293 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:33:06,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:33:06,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:33:06,294 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:33:06,294 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-24 01:33:06,294 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-24 01:33:06,294 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-24 01:33:06,294 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-24 01:33:06,294 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-24 01:33:06,294 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-24 01:33:06,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:33:06,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-24 01:33:06,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:33:06,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:33:06,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:33:06,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:33:06,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-11-24 01:33:06,298 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-24 01:33:06,299 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_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC
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 -> 6d237a1b253e1662249abfec0a27795a205783446cdc8f92e994520c562b96f7
[2024-11-24 01:33:06,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:33:06,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:33:06,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:33:06,643 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:33:06,643 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:33:06,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted/Parallel.c
[2024-11-24 01:33:09,608 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/data/1cc615cae/68f67b7ab848434792caa694c3e3b910/FLAG85f44b978
[2024-11-24 01:33:09,807 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:33:09,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/sv-benchmarks/c/termination-crafted/Parallel.c
[2024-11-24 01:33:09,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/data/1cc615cae/68f67b7ab848434792caa694c3e3b910/FLAG85f44b978
[2024-11-24 01:33:10,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/data/1cc615cae/68f67b7ab848434792caa694c3e3b910
[2024-11-24 01:33:10,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:33:10,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:33:10,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:33:10,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:33:10,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:33:10,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a56208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10, skipping insertion in model container
[2024-11-24 01:33:10,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,199 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:33:10,375 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:33:10,380 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:33:10,394 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:33:10,408 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:33:10,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10 WrapperNode
[2024-11-24 01:33:10,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:33:10,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:33:10,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:33:10,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:33:10,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,441 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18
[2024-11-24 01:33:10,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:33:10,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:33:10,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:33:10,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:33:10,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,453 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,460 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-24 01:33:10,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,463 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:33:10,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:33:10,473 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:33:10,473 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:33:10,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (1/1) ...
[2024-11-24 01:33:10,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:10,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:10,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:10,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:33:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:33:10,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:33:10,636 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:33:10,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:33:10,699 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live.
[2024-11-24 01:33:10,699 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:33:10,709 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:33:10,709 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 01:33:10,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:10 BoogieIcfgContainer
[2024-11-24 01:33:10,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:33:10,711 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-24 01:33:10,711 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-24 01:33:10,718 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-24 01:33:10,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:33:10,721 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:33:10" (1/3) ...
[2024-11-24 01:33:10,723 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66231f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:33:10, skipping insertion in model container
[2024-11-24 01:33:10,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:33:10,723 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10" (2/3) ...
[2024-11-24 01:33:10,724 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66231f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:33:10, skipping insertion in model container
[2024-11-24 01:33:10,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:33:10,724 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:10" (3/3) ...
[2024-11-24 01:33:10,726 INFO L363 chiAutomizerObserver]: Analyzing ICFG Parallel.c
[2024-11-24 01:33:10,797 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-24 01:33:10,797 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-24 01:33:10,797 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-24 01:33:10,797 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-24 01:33:10,797 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-24 01:33:10,798 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-24 01:33:10,798 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-24 01:33:10,798 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-24 01:33:10,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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)
[2024-11-24 01:33:10,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2024-11-24 01:33:10,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:33:10,818 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:33:10,823 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-24 01:33:10,823 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2024-11-24 01:33:10,823 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-24 01:33:10,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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)
[2024-11-24 01:33:10,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2024-11-24 01:33:10,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:33:10,824 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:33:10,825 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-24 01:33:10,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2024-11-24 01:33:10,831 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;"
[2024-11-24 01:33:10,831 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 >= 0 || main_~y~0#1 >= 0;" "assume !(main_~x~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;"
[2024-11-24 01:33:10,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:10,837 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2024-11-24 01:33:10,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:33:10,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723193041]
[2024-11-24 01:33:10,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:10,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:10,910 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:33:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:10,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:33:10,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:10,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1225, now seen corresponding path program 1 times
[2024-11-24 01:33:10,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:33:10,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119905928]
[2024-11-24 01:33:10,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:10,938 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:33:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:10,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:33:10,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:10,947 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times
[2024-11-24 01:33:10,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:33:10,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712865678]
[2024-11-24 01:33:10,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:10,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:10,962 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:33:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:10,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:33:11,065 INFO L204 LassoAnalysis]: Preferences:
[2024-11-24 01:33:11,066 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-24 01:33:11,066 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-24 01:33:11,066 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-24 01:33:11,066 INFO L128 ssoRankerPreferences]: Use exernal solver: true
[2024-11-24 01:33:11,066 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,066 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-24 01:33:11,066 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-24 01:33:11,067 INFO L132 ssoRankerPreferences]: Filename of dumped script: Parallel.c_Iteration1_Loop
[2024-11-24 01:33:11,067 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-24 01:33:11,067 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-24 01:33:11,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:11,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:11,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:11,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:11,211 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-24 01:33:11,211 INFO L365 LassoAnalysis]: Checking for nontermination...
[2024-11-24 01:33:11,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-24 01:33:11,224 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:11,258 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-24 01:33:11,258 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: []
[2024-11-24 01:33:11,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0
[2024-11-24 01:33:11,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-24 01:33:11,276 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:11,302 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-24 01:33:11,302 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: []
[2024-11-24 01:33:11,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2024-11-24 01:33:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,314 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-24 01:33:11,320 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:11,344 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-24 01:33:11,344 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2024-11-24 01:33:11,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0
[2024-11-24 01:33:11,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,356 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-24 01:33:11,360 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:11,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2024-11-24 01:33:11,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,391 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2024-11-24 01:33:11,396 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:11,434 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2024-11-24 01:33:11,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0
[2024-11-24 01:33:11,437 INFO L204 LassoAnalysis]: Preferences:
[2024-11-24 01:33:11,437 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-24 01:33:11,437 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-24 01:33:11,437 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-24 01:33:11,437 INFO L128 ssoRankerPreferences]: Use exernal solver: false
[2024-11-24 01:33:11,437 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,437 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-24 01:33:11,437 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-24 01:33:11,437 INFO L132 ssoRankerPreferences]: Filename of dumped script: Parallel.c_Iteration1_Loop
[2024-11-24 01:33:11,438 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-24 01:33:11,438 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-24 01:33:11,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:11,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:11,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:11,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:11,535 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-24 01:33:11,541 INFO L451 LassoAnalysis]: Using template 'affine'.
[2024-11-24 01:33:11,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,551 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
[2024-11-24 01:33:11,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,573 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 01:33:11,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 01:33:11,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 01:33:11,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 01:33:11,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 01:33:11,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 01:33:11,605 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 01:33:11,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2024-11-24 01:33:11,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,628 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
[2024-11-24 01:33:11,645 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 01:33:11,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-24 01:33:11,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 01:33:11,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 01:33:11,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 01:33:11,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2024-11-24 01:33:11,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-24 01:33:11,656 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 01:33:11,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2024-11-24 01:33:11,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,669 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,671 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
[2024-11-24 01:33:11,684 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 01:33:11,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 01:33:11,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 01:33:11,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 01:33:11,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 01:33:11,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 01:33:11,696 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 01:33:11,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0
[2024-11-24 01:33:11,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,707 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2024-11-24 01:33:11,728 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 01:33:11,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-24 01:33:11,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 01:33:11,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 01:33:11,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 01:33:11,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2024-11-24 01:33:11,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-24 01:33:11,736 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2024-11-24 01:33:11,741 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2024-11-24 01:33:11,745 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2024-11-24 01:33:11,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:11,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:11,750 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:11,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2024-11-24 01:33:11,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2024-11-24 01:33:11,754 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2024-11-24 01:33:11,754 INFO L474 LassoAnalysis]: Proved termination.
[2024-11-24 01:33:11,756 INFO L476 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1
Supporting invariants []
[2024-11-24 01:33:11,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2024-11-24 01:33:11,769 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2024-11-24 01:33:11,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:33:11,829 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 01:33:11,830 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:33:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:33:11,852 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 01:33:11,853 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:33:11,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0
[2024-11-24 01:33:11,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:33:11,975 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
[2024-11-24 01:33:11,977 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-11-24 01:33:12,035 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 18 states and 25 transitions. Complement of second has 8 states.
[2024-11-24 01:33:12,037 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
[2024-11-24 01:33:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-11-24 01:33:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions.
[2024-11-24 01:33:12,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters.
[2024-11-24 01:33:12,058 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 01:33:12,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters.
[2024-11-24 01:33:12,059 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 01:33:12,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters.
[2024-11-24 01:33:12,059 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 01:33:12,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions.
[2024-11-24 01:33:12,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2024-11-24 01:33:12,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 9 states and 12 transitions.
[2024-11-24 01:33:12,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5
[2024-11-24 01:33:12,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6
[2024-11-24 01:33:12,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions.
[2024-11-24 01:33:12,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2024-11-24 01:33:12,067 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions.
[2024-11-24 01:33:12,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions.
[2024-11-24 01:33:12,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8.
[2024-11-24 01:33:12,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:12,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions.
[2024-11-24 01:33:12,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions.
[2024-11-24 01:33:12,091 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions.
[2024-11-24 01:33:12,091 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-24 01:33:12,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions.
[2024-11-24 01:33:12,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2024-11-24 01:33:12,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:33:12,091 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:33:12,092 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2024-11-24 01:33:12,092 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2024-11-24 01:33:12,092 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 >= 0 || main_~y~0#1 >= 0;"
[2024-11-24 01:33:12,092 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 >= 0;main_~x~0#1 := main_~x~0#1 - 1;" "assume main_~x~0#1 >= 0 || main_~y~0#1 >= 0;"
[2024-11-24 01:33:12,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 1 times
[2024-11-24 01:33:12,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:33:12,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553971536]
[2024-11-24 01:33:12,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:12,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:12,098 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:33:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:12,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:33:12,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:12,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times
[2024-11-24 01:33:12,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:33:12,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579893391]
[2024-11-24 01:33:12,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:12,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:12,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:33:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:12,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:33:12,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:12,114 INFO L85 PathProgramCache]: Analyzing trace with hash 28696863, now seen corresponding path program 1 times
[2024-11-24 01:33:12,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:33:12,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053348244]
[2024-11-24 01:33:12,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:33:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:33:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:12,121 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:33:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:33:12,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:33:12,188 INFO L204 LassoAnalysis]: Preferences:
[2024-11-24 01:33:12,189 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-24 01:33:12,189 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-24 01:33:12,189 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-24 01:33:12,189 INFO L128 ssoRankerPreferences]: Use exernal solver: true
[2024-11-24 01:33:12,189 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,189 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-24 01:33:12,189 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-24 01:33:12,189 INFO L132 ssoRankerPreferences]: Filename of dumped script: Parallel.c_Iteration2_Loop
[2024-11-24 01:33:12,189 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-24 01:33:12,189 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-24 01:33:12,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:12,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:12,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:12,310 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-24 01:33:12,312 INFO L365 LassoAnalysis]: Checking for nontermination...
[2024-11-24 01:33:12,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:12,314 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:12,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2024-11-24 01:33:12,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-24 01:33:12,320 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:12,345 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-24 01:33:12,345 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: []
[2024-11-24 01:33:12,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0
[2024-11-24 01:33:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:12,359 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:12,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process
[2024-11-24 01:33:12,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-24 01:33:12,362 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:12,386 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-24 01:33:12,386 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: []
[2024-11-24 01:33:12,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0
[2024-11-24 01:33:12,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:12,393 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:12,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process
[2024-11-24 01:33:12,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-24 01:33:12,396 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:12,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0
[2024-11-24 01:33:12,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:12,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:12,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process
[2024-11-24 01:33:12,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2024-11-24 01:33:12,420 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-24 01:33:12,488 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2024-11-24 01:33:12,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0
[2024-11-24 01:33:12,492 INFO L204 LassoAnalysis]: Preferences:
[2024-11-24 01:33:12,492 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-24 01:33:12,492 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-24 01:33:12,492 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-24 01:33:12,492 INFO L128 ssoRankerPreferences]: Use exernal solver: false
[2024-11-24 01:33:12,493 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,493 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-24 01:33:12,493 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-24 01:33:12,493 INFO L132 ssoRankerPreferences]: Filename of dumped script: Parallel.c_Iteration2_Loop
[2024-11-24 01:33:12,493 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-24 01:33:12,493 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-24 01:33:12,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:12,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:12,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 01:33:12,609 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-24 01:33:12,609 INFO L451 LassoAnalysis]: Using template 'affine'.
[2024-11-24 01:33:12,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:12,611 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:12,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process
[2024-11-24 01:33:12,616 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
[2024-11-24 01:33:12,630 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 01:33:12,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 01:33:12,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 01:33:12,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 01:33:12,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 01:33:12,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 01:33:12,638 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 01:33:12,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0
[2024-11-24 01:33:12,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:12,650 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:12,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process
[2024-11-24 01:33:12,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2024-11-24 01:33:12,669 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 01:33:12,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 01:33:12,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 01:33:12,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 01:33:12,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 01:33:12,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 01:33:12,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 01:33:12,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0
[2024-11-24 01:33:12,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:12,689 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:12,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process
[2024-11-24 01:33:12,693 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
[2024-11-24 01:33:12,708 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 01:33:12,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-24 01:33:12,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 01:33:12,708 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts
[2024-11-24 01:33:12,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 01:33:12,711 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications.
[2024-11-24 01:33:12,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-24 01:33:12,719 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2024-11-24 01:33:12,724 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2024-11-24 01:33:12,724 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero.
[2024-11-24 01:33:12,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:33:12,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:33:12,726 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:33:12,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process
[2024-11-24 01:33:12,731 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2024-11-24 01:33:12,731 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2024-11-24 01:33:12,731 INFO L474 LassoAnalysis]: Proved termination.
[2024-11-24 01:33:12,731 INFO L476 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1
Supporting invariants []
[2024-11-24 01:33:12,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0
[2024-11-24 01:33:12,741 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2024-11-24 01:33:12,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:33:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:33:12,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 01:33:12,771 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:33:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:33:12,789 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:33:12,789 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:33:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:33:12,851 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
[2024-11-24 01:33:12,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:12,869 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 21 transitions. Complement of second has 4 states.
[2024-11-24 01:33:12,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states
[2024-11-24 01:33:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:33:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions.
[2024-11-24 01:33:12,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters.
[2024-11-24 01:33:12,872 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 01:33:12,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters.
[2024-11-24 01:33:12,872 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 01:33:12,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 4 letters.
[2024-11-24 01:33:12,872 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 01:33:12,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions.
[2024-11-24 01:33:12,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-24 01:33:12,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions.
[2024-11-24 01:33:12,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2024-11-24 01:33:12,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2024-11-24 01:33:12,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2024-11-24 01:33:12,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:33:12,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 01:33:12,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 01:33:12,874 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 01:33:12,874 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-11-24 01:33:12,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2024-11-24 01:33:12,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-24 01:33:12,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2024-11-24 01:33:12,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:33:12 BoogieIcfgContainer
[2024-11-24 01:33:12,889 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-24 01:33:12,889 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:33:12,889 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:33:12,889 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:33:12,890 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:10" (3/4) ...
[2024-11-24 01:33:12,892 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 01:33:12,893 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:33:12,893 INFO L158 Benchmark]: Toolchain (without parser) took 2715.74ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 56.8MB in the end (delta: 36.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB.
[2024-11-24 01:33:12,894 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:33:12,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.60ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:33:12,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.37ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:33:12,895 INFO L158 Benchmark]: Boogie Preprocessor took 29.41ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.3MB in the end (delta: 902.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:33:12,895 INFO L158 Benchmark]: RCFGBuilder took 237.44ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 73.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:33:12,895 INFO L158 Benchmark]: BuchiAutomizer took 2177.80ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 56.9MB in the end (delta: 16.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB.
[2024-11-24 01:33:12,896 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:33:12,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 230.60ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 30.37ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.41ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.3MB in the end (delta: 902.3kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 237.44ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 73.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2177.80ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 56.9MB in the end (delta: 16.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB.
* Witness Printer took 3.35ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 21.1kB). 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) 2 * y) + 1) and consists of 5 locations. One deterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 3 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax168 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq144 hnf95 smp100 dnf126 smp96 tf109 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 63ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2024-11-24 01:33:12,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0
[2024-11-24 01:33:13,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e9bfb1-fe40-41f1-bc99-7ca23b01dc7c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE